diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index a35096a1..00000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/80-20-rail/main.kcl b/80-20-rail/main.kcl
index fc08311f..22f07e02 100644
--- a/80-20-rail/main.kcl
+++ b/80-20-rail/main.kcl
@@ -186,7 +186,7 @@ fn rail8020(originStart, railHeight, railLength) {
          angleEnd = -90,
          radius = 0.072 / 4 * railHeight
        }, %)
-    |> close(%)
+    |> close()
 
     // Sketch center hole of profile
     |> hole(circle({
@@ -196,7 +196,7 @@ fn rail8020(originStart, railHeight, railLength) {
          ],
          radius = .205 * railHeight / 2
        }, %), %)
-    |> extrude(railLength, %)
+    |> extrude(length = railLength)
     |> fillet({
          radius = 0.06,
          tags = [
diff --git a/a-parametric-bearing-pillow-block/main.kcl b/a-parametric-bearing-pillow-block/main.kcl
index 85a866fd..c8574237 100644
--- a/a-parametric-bearing-pillow-block/main.kcl
+++ b/a-parametric-bearing-pillow-block/main.kcl
@@ -17,10 +17,10 @@ bearingDia = 3
 // (Needs to be updated). Sketch the block and extrude up to where the counterbore diameter starts.
 block = startSketchOn('XY')
   |> startProfileAt([-width / 2, -length / 2], %)
-  |> lineTo([width / 2, -length / 2], %)
-  |> lineTo([width / 2, length / 2], %)
-  |> lineTo([-width / 2, length / 2], %)
-  |> close(%)
+  |> line(endAbsolute = [width / 2, -length / 2])
+  |> line(endAbsolute = [width / 2, length / 2])
+  |> line(endAbsolute = [-width / 2, length / 2])
+  |> close()
   |> hole(circle({
        center = [
          -(width / 2 - (padding / 2)),
@@ -53,7 +53,7 @@ block = startSketchOn('XY')
        center = [0, 0],
        radius = bearingDia / 2
      }, %), %)
-  |> extrude(height - cbDepth, %)
+  |> extrude(length = height - cbDepth)
 
 // Create a second sketch that creates the counterbore diameters and extrude the rest of the way to get the total height. Note: You cannot use startSketchOn(block, 'end'). The extrude lives outside the bounds, and the engine will not execute. This is a known issue.
 secondHalf = startSketchOn({
@@ -65,10 +65,10 @@ secondHalf = startSketchOn({
        }
      })
   |> startProfileAt([-width / 2, -length / 2], %)
-  |> lineTo([width / 2, -length / 2], %)
-  |> lineTo([width / 2, length / 2], %)
-  |> lineTo([-width / 2, length / 2], %)
-  |> close(%)
+  |> line(endAbsolute = [width / 2, -length / 2])
+  |> line(endAbsolute = [width / 2, length / 2])
+  |> line(endAbsolute = [-width / 2, length / 2])
+  |> close()
   |> hole(circle({
        center = [
          -(width / 2 - (padding / 2)),
@@ -101,4 +101,4 @@ secondHalf = startSketchOn({
        center = [0, 0],
        radius = bearingDia / 2
      }, %), %)
-  |> extrude(cbDepth, %)
+  |> extrude(length = cbDepth)
diff --git a/ball-bearing/main.kcl b/ball-bearing/main.kcl
index 2e6e9b67..b04f8efd 100644
--- a/ball-bearing/main.kcl
+++ b/ball-bearing/main.kcl
@@ -41,7 +41,7 @@ insideWallSketch = startSketchOn(customPlane)
      }, %), %)
 
 // Extrude the inside bearing piece
-insideWall = extrude(overallThickness, insideWallSketch)
+insideWall = extrude(insideWallSketch, length = overallThickness)
 
 // Create the sketch of one of the balls
 ballsSketch = startSketchOn("XY")
@@ -51,7 +51,7 @@ ballsSketch = startSketchOn("XY")
        angleStart = 180,
        radius = sphereDia / 2
      }, %)
-  |> close(%)
+  |> close()
 
 // Revolve the ball to make a sphere and pattern around the inside wall
 balls = revolve({ axis = "X" }, ballsSketch)
@@ -74,9 +74,9 @@ chainSketch = startSketchOn("XY")
        angleStart = 120,
        radius = sphereDia / 2
      }, %)
-  |> line([0, chainThickness], %)
-  |> line([-chainWidth, 0], %)
-  |> close(%)
+  |> line(end = [0, chainThickness])
+  |> line(end = [-chainWidth, 0])
+  |> close()
 
 // Revolve the chain sketch
 chainHead = revolve({ axis = "X" }, chainSketch)
@@ -119,6 +119,6 @@ outsideWallSketch = startSketchOn(customPlane)
        radius = shaftDia / 2 + wallThickness + sphereDia
      }, %), %)
 
-outsideWall = extrude(overallThickness, outsideWallSketch)
+outsideWall = extrude(outsideWallSketch, length = overallThickness)
 
 // https://www.mcmaster.com/60355K185/
diff --git a/bracket/main.kcl b/bracket/main.kcl
index 8eb34d8c..8b1885cd 100644
--- a/bracket/main.kcl
+++ b/bracket/main.kcl
@@ -26,10 +26,10 @@ thickness = sqrt(moment * factorOfSafety * 6 / (sigmaAllow * width)) // this is
 // Sketch the bracket body and fillet the inner and outer edges of the bend
 bracketLeg1Sketch = startSketchOn('XY')
   |> startProfileAt([0, 0], %)
-  |> line([shelfMountL - filletRadius, 0], %, $fillet1)
-  |> line([0, width], %, $fillet2)
-  |> line([-shelfMountL + filletRadius, 0], %)
-  |> close(%)
+  |> line(end = [shelfMountL - filletRadius, 0], tag = $fillet1)
+  |> line(end = [0, width], tag = $fillet2)
+  |> line(end = [-shelfMountL + filletRadius, 0])
+  |> close()
   |> hole(circle({
        center = [1, 1],
        radius = mountingHoleDiameter / 2
@@ -48,7 +48,7 @@ bracketLeg1Sketch = startSketchOn('XY')
      }, %), %)
 
 // Extrude the leg 2 bracket sketch
-bracketLeg1Extrude = extrude(thickness, bracketLeg1Sketch)
+bracketLeg1Extrude = extrude(bracketLeg1Sketch, length = thickness)
   |> fillet({
        radius = extFilletRadius,
        tags = [
@@ -60,13 +60,13 @@ bracketLeg1Extrude = extrude(thickness, bracketLeg1Sketch)
 // Sketch the fillet arc
 filletSketch = startSketchOn('XZ')
   |> startProfileAt([0, 0], %)
-  |> line([0, thickness], %)
+  |> line(end = [0, thickness])
   |> arc({
        angleEnd = 180,
        angleStart = 90,
        radius = filletRadius + thickness
      }, %)
-  |> line([thickness, 0], %)
+  |> line(end = [thickness, 0])
   |> arc({
        angleEnd = 90,
        angleStart = 180,
@@ -74,7 +74,7 @@ filletSketch = startSketchOn('XZ')
      }, %)
 
 // Sketch the bend
-filletExtrude = extrude(-width, filletSketch)
+filletExtrude = extrude(filletSketch, length = -width)
 
 // Create a custom plane for the leg that sits on the wall
 customPlane = {
@@ -89,10 +89,10 @@ customPlane = {
 // Create a sketch for the second leg
 bracketLeg2Sketch = startSketchOn(customPlane)
   |> startProfileAt([0, -filletRadius], %)
-  |> line([width, 0], %)
-  |> line([0, -wallMountL], %, $fillet3)
-  |> line([-width, 0], %, $fillet4)
-  |> close(%)
+  |> line(end = [width, 0])
+  |> line(end = [0, -wallMountL], tag = $fillet3)
+  |> line(end = [-width, 0], tag = $fillet4)
+  |> close()
   |> hole(circle({
        center = [1, -1.5],
        radius = mountingHoleDiameter / 2
@@ -103,7 +103,7 @@ bracketLeg2Sketch = startSketchOn(customPlane)
      }, %), %)
 
 // Extrude the second leg
-bracketLeg2Extrude = extrude(-thickness, bracketLeg2Sketch)
+bracketLeg2Extrude = extrude(bracketLeg2Sketch, length = -thickness)
   |> fillet({
        radius = extFilletRadius,
        tags = [
diff --git a/car-wheel-assembly/brake-caliper.kcl b/car-wheel-assembly/brake-caliper.kcl
index 1c5a2fcb..e673bfb0 100644
--- a/car-wheel-assembly/brake-caliper.kcl
+++ b/car-wheel-assembly/brake-caliper.kcl
@@ -25,71 +25,71 @@ brakeCaliperSketch = startSketchOn(brakeCaliperPlane)
        rotorDiameter / 2 + caliperTolerance,
        0
      ], %)
-  |> line([
+  |> line(end = [
        0,
        rotorTotalThickness + caliperTolerance - caliperInnerEdgeRadius
-     ], %)
+     ])
   |> tangentialArc({
        offset = 90,
        radius = caliperInnerEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        -caliperPadLength + 2 * caliperInnerEdgeRadius,
        0
-     ], %)
+     ])
   |> tangentialArc({
        offset = -90,
        radius = caliperInnerEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        0,
        caliperThickness - (caliperInnerEdgeRadius * 2)
-     ], %)
+     ])
   |> tangentialArc({
        offset = -90,
        radius = caliperInnerEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        caliperPadLength + caliperThickness - caliperOuterEdgeRadius - caliperInnerEdgeRadius,
        0
-     ], %)
+     ])
   |> tangentialArc({
        offset = -90,
        radius = caliperOuterEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        0,
        -2 * caliperTolerance - (2 * caliperThickness) - rotorTotalThickness + 2 * caliperOuterEdgeRadius
-     ], %)
+     ])
   |> tangentialArc({
        offset = -90,
        radius = caliperOuterEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        -caliperPadLength - caliperThickness + caliperOuterEdgeRadius + caliperInnerEdgeRadius,
        0
-     ], %)
+     ])
   |> tangentialArc({
        offset = -90,
        radius = caliperInnerEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        0,
        caliperThickness - (2 * caliperInnerEdgeRadius)
-     ], %)
+     ])
   |> tangentialArc({
        offset = -90,
        radius = caliperInnerEdgeRadius
      }, %)
-  |> line([
+  |> line(end = [
        caliperPadLength - (2 * caliperInnerEdgeRadius),
        0
-     ], %)
+     ])
   |> tangentialArc({
        offset = 90,
        radius = caliperInnerEdgeRadius
      }, %)
-  |> close(%)
+  |> close()
 
 // Revolve the brake caliper sketch
 export brakeCaliper = revolve({ axis = "Y", angle = -70 }, brakeCaliperSketch)
diff --git a/car-wheel-assembly/car-rotor.kcl b/car-wheel-assembly/car-rotor.kcl
index fa2c07e0..290c9f8c 100644
--- a/car-wheel-assembly/car-rotor.kcl
+++ b/car-wheel-assembly/car-rotor.kcl
@@ -34,7 +34,7 @@ rotorSketch = startSketchOn(rotorPlane)
        radius = rotorDiameter / 2
      }, %)
   |> hole(lugPattern(%), %)
-rotor = extrude(rotorSinglePlateThickness, rotorSketch)
+rotor = extrude(rotorSketch, length = rotorSinglePlateThickness)
   |> appearance({
     color = "#dbcd70",
     roughness = 90,
@@ -46,7 +46,7 @@ rotorBumpSketch = startSketchOn(rotorPlane)
        radius = rotorInnerDiameter / 2
      }, %)
   |> hole(lugPattern(%), %)
-rotorBump = extrude(-rotorInnerDiameterThickness, rotorBumpSketch)
+rotorBump = extrude(rotorBumpSketch, length = -rotorInnerDiameterThickness)
   |> appearance({
     color = "#dbcd70",
     roughness = 90,
@@ -70,7 +70,7 @@ secondaryRotorSketch = startSketchOn(rotorSecondaryPlatePlane)
        radius = rotorDiameter / 2
      }, %)
   |> hole(lugPattern(%), %)
-secondRotor = extrude(rotorSinglePlateThickness, secondaryRotorSketch)
+secondRotor = extrude(secondaryRotorSketch, length = rotorSinglePlateThickness)
 spacerSketch = startSketchOn(rotorSecondaryPlatePlane)
   |> circle({
        center = [spacerPatternDiameter / 2, 0],
@@ -82,7 +82,7 @@ spacerSketch = startSketchOn(rotorSecondaryPlatePlane)
        instances = spacerCount,
        rotateDuplicates = true
      }, %)
-spacers = extrude(-spacerLength, spacerSketch)
+spacers = extrude(spacerSketch, length = -spacerLength)
   |> appearance({
     color = "#dbcd70",
     roughness = 90,
@@ -93,32 +93,32 @@ rotorSlottedSketch = startSketchOn(rotor, 'START')
   |> xLine(0.12, %)
   |> yLine(2.56, %)
   |> xLine(-0.12, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> patternCircular2d({
        center = [0, 0],
        instances = drillAndSlotCount,
        arcDegrees = 360,
        rotateDuplicates = true
      }, %)
-rotorSlotted = extrude(-rotorSinglePlateThickness / 2, rotorSlottedSketch)
+rotorSlotted = extrude(rotorSlottedSketch, length = -rotorSinglePlateThickness / 2)
 
 secondRotorSlottedSketch = startSketchOn(secondRotor, 'END')
   |> startProfileAt([-2.17, 2.56], %)
   |> xLine(-0.12, %)
   |> yLine(2.56, %)
   |> xLine(0.12, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> patternCircular2d({
        center = [0, 0],
        instances = drillAndSlotCount,
        arcDegrees = 360,
        rotateDuplicates = true
      }, %)
-secondRotorSlotted = extrude(-rotorSinglePlateThickness / 2, secondRotorSlottedSketch)
+secondRotorSlotted = extrude(secondRotorSlottedSketch, length = -rotorSinglePlateThickness / 2)
   |> appearance({
     color = "#dbcd70",
     roughness = 90,
     metalness = 90
-  }, %)
\ No newline at end of file
+  }, %)
diff --git a/car-wheel-assembly/car-tire.kcl b/car-wheel-assembly/car-tire.kcl
index c8759170..1a9c2cba 100644
--- a/car-wheel-assembly/car-tire.kcl
+++ b/car-wheel-assembly/car-tire.kcl
@@ -10,32 +10,32 @@ import tireInnerDiameter, tireOuterDiameter, tireDepth, bendRadius, tireTreadWid
 // Create the sketch of the tire
 tireSketch = startSketchOn("XY")
   |> startProfileAt([tireInnerDiameter / 2, tireDepth / 2], %)
-  |> lineTo([
+  |> line(endAbsolute = [
        tireOuterDiameter / 2 - bendRadius,
        tireDepth / 2
-     ], %, $edge1)
+     ], tag = $edge1)
   |> tangentialArc({ offset = -90, radius = bendRadius }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        tireOuterDiameter / 2,
        tireDepth / 2 - tireTreadOffset
-     ], %)
-  |> line([-tireTreadDepth, 0], %)
-  |> line([0, -tireTreadWidth], %)
-  |> line([tireTreadDepth, 0], %)
-  |> lineTo([
+     ])
+  |> line(end = [-tireTreadDepth, 0])
+  |> line(end = [0, -tireTreadWidth])
+  |> line(end = [tireTreadDepth, 0])
+  |> line(endAbsolute = [
        tireOuterDiameter / 2,
        -tireDepth / 2 + tireTreadOffset + tireTreadWidth
-     ], %)
-  |> line([-tireTreadDepth, 0], %)
-  |> line([0, -tireTreadWidth], %)
-  |> line([tireTreadDepth, 0], %)
-  |> lineTo([
+     ])
+  |> line(end = [-tireTreadDepth, 0])
+  |> line(end = [0, -tireTreadWidth])
+  |> line(end = [tireTreadDepth, 0])
+  |> line(endAbsolute = [
        tireOuterDiameter / 2,
        -tireDepth / 2 + bendRadius
-     ], %)
+     ])
   |> tangentialArc({ offset = -90, radius = bendRadius }, %)
-  |> lineTo([tireInnerDiameter / 2, -tireDepth / 2], %, $edge2)
-  |> close(%)
+  |> line(endAbsolute = [tireInnerDiameter / 2, -tireDepth / 2], tag = $edge2)
+  |> close()
 
 // Revolve the sketch to create the tire
 export carTire = revolve({ axis = "Y" }, tireSketch)
diff --git a/car-wheel-assembly/car-wheel.kcl b/car-wheel-assembly/car-wheel.kcl
index ec21a26b..eb770d5b 100644
--- a/car-wheel-assembly/car-wheel.kcl
+++ b/car-wheel-assembly/car-wheel.kcl
@@ -19,7 +19,7 @@ lugBase = startSketchOn('XZ')
        center = [0, 0],
        radius = (lugSpacing - 1.5) / 2
      }, %), %)
-  |> extrude(wheelWidth / 20, %)
+  |> extrude(length = wheelWidth / 20)
 
 // Extend the wheel center and bore holes to accomidate the lug heads
 lugExtrusion = startSketchOn(lugBase, 'END')
@@ -31,7 +31,7 @@ lugExtrusion = startSketchOn(lugBase, 'END')
        center = [0, 0],
        radius = (lugSpacing - 1.5) / 2
      }, %), %)
-  |> extrude(wheelWidth / 10, %)
+  |> extrude(length = wheelWidth / 10)
 
 // Create the circular pattern for the lugs
 lugClearance = startSketchOn(lugExtrusion, 'END')
@@ -45,7 +45,7 @@ lugClearance = startSketchOn(lugExtrusion, 'END')
        instances = lugCount,
        rotateDuplicates = true
      }, %)
-  |> extrude(-wheelWidth / 10, %)
+  |> extrude(length = -wheelWidth / 10)
 
 // Create the circular pattern for the lug holes
 lugHoles = startSketchOn(lugBase, 'END')
@@ -59,7 +59,7 @@ lugHoles = startSketchOn(lugBase, 'END')
        instances = lugCount,
        rotateDuplicates = true
      }, %)
-  |> extrude(-wheelWidth / 20, %)
+  |> extrude(length = -wheelWidth / 20)
   |> appearance({
     color = "#ffffff",
     metalness = 0,
@@ -76,8 +76,8 @@ wheelCenterInner = startSketchOn('XY')
        control2 = [0, 0.3]
      }, %)
   |> yLineTo(0, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> revolve({ axis = 'y' }, %)
   |> appearance({
     color = "#ffffff",
@@ -94,8 +94,8 @@ wheelCenterOuter = startSketchOn('XY')
        control2 = [0.2, -0.3]
      }, %)
   |> yLineTo(-wheelWidth / 20, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> revolve({ axis = 'y' }, %)
   |> appearance({
     color = "#ffffff",
@@ -147,11 +147,11 @@ fn spoke(spokeGap, spokeAngle, spokeThickness) {
            -offset / 1.5
          ]
        }, %)
-    |> lineTo([profileStartX(%), profileStartY(%)], %)
-    |> close(%)
+    |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+    |> close()
 
   // Circular pattern spokes
-  spokePattern = extrude(spokeThickness, spokeProfile)
+  spokePattern = extrude(spokeProfile, length = spokeThickness)
     |> patternCircular3d({
          axis = [0, 1, 0],
          center = [0, -2000, 0],
@@ -178,38 +178,38 @@ wheelOuterRevolve = startSketchOn('XY')
        -wheelWidth + backSpacing + offset
      ], %)
   |> yLine(wheelWidth * 0.25, %)
-  |> line([-wheelWidth * 0.02, wheelWidth * 0.02], %)
+  |> line(end = [-wheelWidth * 0.02, wheelWidth * 0.02])
   |> yLine(wheelWidth * 0.25, %)
-  |> line([wheelWidth * 0.02, wheelWidth * 0.02], %)
+  |> line(end = [wheelWidth * 0.02, wheelWidth * 0.02])
   |> yLineTo(backSpacing + offset, %)
-  |> line([wheelWidth * 0.05, wheelWidth * .01], %)
+  |> line(end = [wheelWidth * 0.05, wheelWidth * .01])
   |> yLine(wheelWidth * 0.05, %)
   |> xLine(-wheelWidth * 0.03, %)
   |> yLine(-wheelWidth * 0.02, %)
-  |> line([-wheelWidth * 0.05, -wheelWidth * 0.01], %)
+  |> line(end = [-wheelWidth * 0.05, -wheelWidth * 0.01])
   |> yLine(-backSpacing * 0.7, %)
-  |> line([
+  |> line(end = [
        -wheelDiameter * 0.01,
        -wheelWidth * 0.02
-     ], %)
+     ])
   |> yLineTo(offset - 0.2, %)
-  |> line([
+  |> line(end = [
        -wheelDiameter * 0.03,
        -wheelWidth * 0.02
-     ], %)
+     ])
   |> yLine(-wheelWidth * 0.02, %)
-  |> line([
+  |> line(end = [
        wheelDiameter * 0.03,
        -wheelWidth * 0.1
-     ], %)
+     ])
   |> yLine(-wheelWidth * 0.05, %)
-  |> line([wheelWidth * 0.02, -wheelWidth * 0.02], %)
+  |> line(end = [wheelWidth * 0.02, -wheelWidth * 0.02])
   |> yLineTo(-wheelWidth + backSpacing + offset - 0.28, %)
-  |> line([wheelWidth * 0.05, -wheelWidth * 0.01], %)
+  |> line(end = [wheelWidth * 0.05, -wheelWidth * 0.01])
   |> yLine(-wheelWidth * 0.02, %)
   |> xLine(wheelWidth * 0.03, %)
   |> yLine(wheelWidth * 0.05, %)
-  |> close(%)
+  |> close()
   |> revolve({ axis = 'y' }, %)
   |> appearance({
     color = "#ffffff",
diff --git a/car-wheel-assembly/lug-nut.kcl b/car-wheel-assembly/lug-nut.kcl
index e5a2ed40..af0c5464 100644
--- a/car-wheel-assembly/lug-nut.kcl
+++ b/car-wheel-assembly/lug-nut.kcl
@@ -27,7 +27,7 @@ fn lug(plane, length, diameter) {
     |> yLineTo(lugThreadDepth, %)
     |> xLineTo(lugThreadDiameter, %)
     |> yLineTo(0, %)
-    |> close(%)
+    |> close()
     |> revolve({ axis = "Y" }, %)
     |> appearance({
       color = "#dbcd70",
diff --git a/car-wheel-assembly/thumbnail.png b/car-wheel-assembly/thumbnail.png
new file mode 100644
index 00000000..eb4a841a
Binary files /dev/null and b/car-wheel-assembly/thumbnail.png differ
diff --git a/dodecahedron/main.kcl b/dodecahedron/main.kcl
index fe8c7457..460fa685 100644
--- a/dodecahedron/main.kcl
+++ b/dodecahedron/main.kcl
@@ -32,9 +32,9 @@ fn ngon(plane, numSides, radius) {
   return reduce([1..numSides], sketch001, fn(i, sg) {
       x = cos(step * i) * radius
       y = sin(step * i) * radius
-      return lineTo([x, y], sg)
+      return line(sg, endAbsolute = [x, y])
     })
-    |> close(%)
+    |> close()
 }
 
 // Define a plane for the bottom angled face
@@ -52,8 +52,8 @@ planeBottomSide = {
 }
 
 // Extrude the faces in each plane
-bottom = extrude(wallThickness, ngon("XY", 5, pentR))
-bottomSide = extrude(wallThickness, ngon(planeBottomSide, 5, pentR))
+bottom = extrude(ngon("XY", 5, pentR), length = wallThickness)
+bottomSide = extrude(ngon(planeBottomSide, 5, pentR), length = wallThickness)
 
 // Pattern the sides so we have a full dodecahedron
 bottomBowl = patternCircular3d({
diff --git a/enclosure/main.kcl b/enclosure/main.kcl
index cf366656..629632bf 100644
--- a/enclosure/main.kcl
+++ b/enclosure/main.kcl
@@ -22,9 +22,9 @@ sketch001 = startSketchOn('XY')
        segAng(rectangleSegmentA001),
        -segLen(rectangleSegmentA001)
      ], %, $rectangleSegmentC001)
-  |> lineTo([profileStartX(%), profileStartY(%)], %, $rectangleSegmentD001)
-  |> close(%)
-extrude001 = extrude(height, sketch001)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD001)
+  |> close()
+extrude001 = extrude(sketch001, length = height)
   |> fillet({
        radius = wallThickness * 4,
        tags = [
@@ -63,7 +63,7 @@ fn function001(originStart) {
          center = [originStart[0], originStart[1]],
          radius = holeDia
        }, %), %)
-  extrude002 = extrude(height - wallThickness, sketch002)
+  extrude002 = extrude(sketch002, length = height - wallThickness)
 
   return extrude002
 }
@@ -98,8 +98,8 @@ sketch003 = startSketchOn('XY')
        segAng(rectangleSegmentA001),
        -segLen(rectangleSegmentA001)
      ], %, $rectangleSegmentC002)
-  |> lineTo([profileStartX(%), profileStartY(%)], %, $rectangleSegmentD002)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD002)
+  |> close()
   |> hole(circle({
        center = [
          width * 1.2 + wallThickness * 3 + holeDia,
@@ -128,7 +128,7 @@ sketch003 = startSketchOn('XY')
        ],
        radius = holeDia
      }, %), %)
-extrude003 = extrude(wallThickness, sketch003)
+extrude003 = extrude(sketch003, length = wallThickness)
   |> fillet({
        radius = wallThickness * 4,
        tags = [
@@ -154,8 +154,8 @@ sketch004 = startSketchOn(extrude003, 'END')
        segAng(rectangleSegmentA003),
        -segLen(rectangleSegmentA003)
      ], %, $rectangleSegmentC003)
-  |> lineTo([profileStartX(%), profileStartY(%)], %, $rectangleSegmentD003)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD003)
+  |> close()
   |> hole(circle({
        center = [
          width * 1.2 + wallThickness * 3 + holeDia,
@@ -184,7 +184,7 @@ sketch004 = startSketchOn(extrude003, 'END')
        ],
        radius = holeDia + wallThickness
      }, %), %)
-extrude004 = extrude(wallThickness, sketch004)
+extrude004 = extrude(sketch004, length = wallThickness)
   |> fillet({
        radius = wallThickness * 3,
        tags = [
diff --git a/flange-with-patterns/main.kcl b/flange-with-patterns/main.kcl
index 7e455a7d..2bc503a5 100644
--- a/flange-with-patterns/main.kcl
+++ b/flange-with-patterns/main.kcl
@@ -46,7 +46,7 @@ flangeBase = startSketchOn('XY')
        center = [0, 0],
        radius = pipeDia / 2
      }, %), %)
-  |> extrude(baseThickness, %)
+  |> extrude(length = baseThickness)
 
 // Plane for top face
 topFacePlane = {
@@ -68,7 +68,7 @@ topExtrusion = startSketchOn(topFacePlane)
        center = [0, 0],
        radius = pipeDia / 2
      }, %), %)
-  |> extrude(topTotalThickness, %)
+  |> extrude(length = topTotalThickness)
 
 // Create the extrusion on the bottom of the flange base
 bottomExtrusion = startSketchOn("XY")
@@ -80,4 +80,4 @@ bottomExtrusion = startSketchOn("XY")
        center = [0, 0],
        radius = pipeDia / 2
      }, %), %)
-  |> extrude(-bottomThickness, %)
+  |> extrude(length = -bottomThickness)
diff --git a/flange-xy/main.kcl b/flange-xy/main.kcl
index a643e094..18217558 100644
--- a/flange-xy/main.kcl
+++ b/flange-xy/main.kcl
@@ -48,7 +48,7 @@ flangeBase = startSketchOn('XY')
        center = [0, 0],
        radius = pipeDia / 2
      }, %), %)
-  |> extrude(baseThickness, %)
+  |> extrude(length = baseThickness)
 
 // Plane for top face
 topFacePlane = {
@@ -70,7 +70,7 @@ topExtrusion = startSketchOn(topFacePlane, 'end')
        center = [0, 0],
        radius = pipeDia / 2
      }, %), %)
-  |> extrude(topTotalThickness, %)
+  |> extrude(length = topTotalThickness)
 
 // Create the extrusion on the bottom of the flange base
 bottomExtrusion = startSketchOn("XY")
@@ -82,6 +82,6 @@ bottomExtrusion = startSketchOn("XY")
        center = [0, 0],
        radius = pipeDia / 2
      }, %), %)
-  |> extrude(-bottomThickness, %)
+  |> extrude(length = -bottomThickness)
 
 // https://www.mcmaster.com/44685K193/
diff --git a/focusrite-scarlett-mounting-bracket/main.kcl b/focusrite-scarlett-mounting-bracket/main.kcl
index f87af617..33f1f923 100644
--- a/focusrite-scarlett-mounting-bracket/main.kcl
+++ b/focusrite-scarlett-mounting-bracket/main.kcl
@@ -19,10 +19,10 @@ tabThk = 4
 fn rectShape(pos, w, l) {
   rr = startSketchOn('xy')
     |> startProfileAt([pos[0] - (w / 2), pos[1] - (l / 2)], %)
-    |> lineTo([pos[0] + w / 2, pos[1] - (l / 2)], %, $edge01)
-    |> lineTo([pos[0] + w / 2, pos[1] + l / 2], %, $edge02)
-    |> lineTo([pos[0] - (w / 2), pos[1] + l / 2], %, $edge03)
-    |> close(%, $edge04)
+    |> line(endAbsolute = [pos[0] + w / 2, pos[1] - (l / 2)], tag = $edge01)
+    |> line(endAbsolute = [pos[0] + w / 2, pos[1] + l / 2], tag = $edge02)
+    |> line(endAbsolute = [pos[0] - (w / 2), pos[1] + l / 2], tag = $edge03)
+    |> close(tag = $edge04)
   return rr
 }
 
@@ -40,21 +40,21 @@ bracketPlane = {
 fn bracketSketch(w, d, t) {
   s = startSketchOn(bracketPlane)
     |> startProfileAt([-w / 2 - t, d + t], %)
-    |> lineTo([-w / 2 - t, -t], %, $edge1)
-    |> lineTo([w / 2 + t, -t], %, $edge2)
-    |> lineTo([w / 2 + t, d + t], %, $edge3)
-    |> lineTo([w / 2, d + t], %, $edge4)
-    |> lineTo([w / 2, 0], %, $edge5)
-    |> lineTo([-w / 2, 0], %, $edge6)
-    |> lineTo([-w / 2, d + t], %, $edge7)
-    |> close(%, $edge8)
+    |> line(endAbsolute = [-w / 2 - t, -t], tag = $edge1)
+    |> line(endAbsolute = [w / 2 + t, -t], tag = $edge2)
+    |> line(endAbsolute = [w / 2 + t, d + t], tag = $edge3)
+    |> line(endAbsolute = [w / 2, d + t], tag = $edge4)
+    |> line(endAbsolute = [w / 2, 0], tag = $edge5)
+    |> line(endAbsolute = [-w / 2, 0], tag = $edge6)
+    |> line(endAbsolute = [-w / 2, d + t], tag = $edge7)
+    |> close(tag = $edge8)
   return s
 }
 
 // build the body of the bracket
 bs = bracketSketch(width, depth, thk)
 bracketBody = bs
-  |> extrude(length + 2 * thk, %)
+  |> extrude(length = length + 2 * thk)
   |> fillet({
        radius = radius,
        tags = [
@@ -78,10 +78,10 @@ tabPlane = {
 // build the tabs of the mounting bracket (right side)
 tabsR = startSketchOn(tabPlane)
   |> startProfileAt([width / 2 + thk, length / 2 + thk], %)
-  |> line([tabWidth, -tabLength / 3], %, $edge11)
-  |> line([0, -tabLength / 3 * 2], %, $edge12)
-  |> line([-tabWidth, -tabLength / 3], %, $edge13)
-  |> close(%, $edge14)
+  |> line(end = [tabWidth, -tabLength / 3], tag = $edge11)
+  |> line(end = [0, -tabLength / 3 * 2], tag = $edge12)
+  |> line(end = [-tabWidth, -tabLength / 3], tag = $edge13)
+  |> close(tag = $edge14)
   |> hole(circle({
        center = [
          width / 2 + thk + tabWidth / 2,
@@ -89,7 +89,7 @@ tabsR = startSketchOn(tabPlane)
        ],
        radius = holeDiam / 2
      }, %), %)
-  |> extrude(-tabThk, %)
+  |> extrude(length = -tabThk)
   |> fillet({
        radius = holeDiam / 2,
        tags = [
@@ -106,10 +106,10 @@ tabsR = startSketchOn(tabPlane)
 // build the tabs of the mounting bracket (left side)
 tabsL = startSketchOn(tabPlane)
   |> startProfileAt([-width / 2 - thk, length / 2 + thk], %)
-  |> line([-tabWidth, -tabLength / 3], %, $edge21)
-  |> line([0, -tabLength / 3 * 2], %, $edge22)
-  |> line([tabWidth, -tabLength / 3], %, $edge23)
-  |> close(%, $edge24)
+  |> line(end = [-tabWidth, -tabLength / 3], tag = $edge21)
+  |> line(end = [0, -tabLength / 3 * 2], tag = $edge22)
+  |> line(end = [tabWidth, -tabLength / 3], tag = $edge23)
+  |> close(tag = $edge24)
   |> hole(circle({
        center = [
          -width / 2 - thk - (tabWidth / 2),
@@ -117,7 +117,7 @@ tabsL = startSketchOn(tabPlane)
        ],
        radius = holeDiam / 2
      }, %), %)
-  |> extrude(-tabThk, %)
+  |> extrude(length = -tabThk)
   |> fillet({
        radius = holeDiam / 2,
        tags = [
@@ -144,16 +144,16 @@ retPlane = {
 // build the retention bump in the front
 retFront = startSketchOn(retPlane)
   |> startProfileAt([-length / 2 - thk, 0], %)
-  |> line([0, thk], %)
-  |> line([thk, -thk], %)
-  |> close(%)
-  |> extrude(width - 40, %)
+  |> line(end = [0, thk])
+  |> line(end = [thk, -thk])
+  |> close()
+  |> extrude(length = width - 40)
 
 // build the retention bump in the back
 retBack = startSketchOn(retPlane)
   |> startProfileAt([length / 2 + thk, 0], %)
-  |> line([0, thk], %)
-  |> line([-thk, 0], %)
-  |> line([0, -thk], %)
-  |> close(%)
-  |> extrude(width - 40, %)
+  |> line(end = [0, thk])
+  |> line(end = [-thk, 0])
+  |> line(end = [0, -thk])
+  |> close()
+  |> extrude(length = width - 40)
diff --git a/food-service-spatula/main.kcl b/food-service-spatula/main.kcl
index 01957a79..67b489c1 100644
--- a/food-service-spatula/main.kcl
+++ b/food-service-spatula/main.kcl
@@ -39,7 +39,7 @@ fn slot(sketch1, start, end, width) {
     |> tangentialArc({ radius = width / 2, offset = 180 }, %, $arc000)
     |> angledLine({ angle = angle, length = -dist }, %, $line001)
     |> tangentialArcTo([profileStartX(%), profileStartY(%)], %, $arc001)
-    |> close(%)
+    |> close()
   return slotSketch
 }
 
@@ -48,15 +48,15 @@ sketch000 = startSketchOn('XY')
 
 // create a profile of the flipper
 flipperProfile = startProfileAt([-flipperLength, -32.0], sketch000)
-  |> line([flipperLength, 2.0], %)
+  |> line(end = [flipperLength, 2.0])
   |> yLine(60.0, %, $backEdge)
-  |> line([-flipperLength, 2.0], %)
+  |> line(end = [-flipperLength, 2.0])
   |> arc({
        angleEnd = 196.912390,
        angleStart = 163.087610,
        radius = 110.0
      }, %)
-  |> close(%)
+  |> close()
 
 // create a profile of the middle
 slotProfile000 = slot(sketch000, [-25, 0], [-55, 0], flipperSlotWidth)
@@ -74,7 +74,7 @@ spatulaProfile = flipperProfile
   |> hole(slotProfile002, %)
 
 // extrude the profile to create the spatula flipper
-flipper = extrude(flipperThickness, [spatulaProfile])
+flipper = extrude(spatulaProfile, length = flipperThickness)
 
 // fillet the edges of the flipper
 fillet({
@@ -90,16 +90,16 @@ sketch001 = startSketchOn(offsetPlane("XZ", -handleWidth / 2))
 
 // create a profile of the spatula handle
 handleProfile = startProfileAt([0.0, flipperThickness], sketch001)
-  |> line([31.819805, 31.819805], %, $handleBottomEdge)
-  |> line([140.953893, 51.303021], %)
-  |> line([-1.710101, 4.698463], %)
-  |> line([-141.995517, -51.682142], %, $handleTopEdge)
-  |> line([-36.139148, -36.139148], %)
+  |> line(end = [31.819805, 31.819805], tag = $handleBottomEdge)
+  |> line(end = [140.953893, 51.303021])
+  |> line(end = [-1.710101, 4.698463])
+  |> line(end = [-141.995517, -51.682142], tag = $handleTopEdge)
+  |> line(end = [-36.139148, -36.139148])
   |> xLine(7.071068, %)
-  |> close(%)
+  |> close()
 
 // create an extrusion extrude001
-handle = extrude(handleWidth, [handleProfile])
+handle = extrude(handleProfile, length = handleWidth)
 
 // fillet the bend of the spatula handle
 fillet({
@@ -149,10 +149,10 @@ gripProfile = startProfileAt([-26.806746, -10.0], sketch002)
        angleEnd = 270.0,
        radius = gripFilletRadius
      }, %)
-  |> close(%)
+  |> close()
 
 // extrude the grip profile to create the grip
-grip = extrude(-gripLength, [gripProfile])
+grip = extrude(gripProfile, length = -gripLength)
 
 // create a sketch on the grip for the hole
 sketch003 = startSketchOn(grip, gripEdgeTop)
@@ -161,4 +161,4 @@ sketch003 = startSketchOn(grip, gripEdgeTop)
 gripHoleProfile = slot(sketch003, [0, 200], [0, 210], gripSlotWidth)
 
 // cut a hole in the grip
-extrude(-gripWidth, gripHoleProfile)
+extrude(gripHoleProfile, length = -gripWidth)
diff --git a/french-press/main.kcl b/french-press/main.kcl
index 50e54d2b..2c5f539f 100644
--- a/french-press/main.kcl
+++ b/french-press/main.kcl
@@ -21,8 +21,8 @@ sketch001 = startSketchOn('XZ')
        segAng(rectangleSegmentA001),
        -segLen(rectangleSegmentA001)
      ], %, $rectangleSegmentC001)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> revolve({ angle = 360, axis = 'Y' }, %)
 
 // Create an angled plane to sketch the supports
@@ -83,9 +83,9 @@ sketch002 = startSketchOn(plane001)
        angleEnd = 180,
        radius = 0.6
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-  |> extrude(0.75, %)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+  |> extrude(length = 0.75)
   |> patternCircular3d({
        axis = [0, 0, 1],
        center = [0, 0, 0],
@@ -101,7 +101,7 @@ sketch003 = startSketchOn(offsetPlane('XY', 1))
        radius = carafeDiameter / 2 - 0.15
      }, %)
 
-extrude001 = extrude(0.050, sketch003)
+extrude001 = extrude(sketch003, length = 0.050)
 
 sketch004 = startSketchOn(extrude001, 'END')
   |> startProfileAt([0.3, 0.17], %)
@@ -111,8 +111,8 @@ sketch004 = startSketchOn(extrude001, 'END')
        angleEnd = -30,
        radius = 1.2
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> patternCircular2d({
        center = [0, 0],
        instances = 3,
@@ -120,7 +120,7 @@ sketch004 = startSketchOn(extrude001, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude002 = extrude(-0.050, sketch004)
+extrude002 = extrude(sketch004, length = -0.050)
 
 // Filter screen
 sketch005 = startSketchOn('XZ')
@@ -133,21 +133,21 @@ sketch005 = startSketchOn('XZ')
   |> angledLine({ angle = -60, length = 0.050 }, %)
   |> angledLine({ angle = 30, length = -segLen(seg1) }, %)
   |> xLineTo(0.15, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> revolve({ axis = 'y' }, %)
 
 // Plunger and stem
 sketch006 = startSketchOn('XZ')
   |> startProfileAt([0.1, 1], %)
-  |> line([0.1, 0], %)
+  |> line(end = [0.1, 0])
   |> angledLineToX({ angle = 10, to = 0.05 }, %)
   |> yLine(10, %)
-  |> line([0.6, 0], %)
+  |> line(end = [0.6, 0])
   |> yLine(-.05, %)
   |> tangentialArc({ radius = 0.6, offset = -90 }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> revolve({ axis = 'y' }, %)
 
 // Spiral plate
@@ -158,7 +158,7 @@ sketch007 = startSketchOn(offsetPlane('XY', 1.12))
      }, %)
   |> hole(circle({ center = [0, 0], radius = .15 }, %), %)
 
-extrude003 = extrude(0.050, sketch007)
+extrude003 = extrude(sketch007, length = 0.050)
 
 // Pattern holes in the spiral plate
 sketch008 = startSketchOn(extrude003, 'END')
@@ -170,7 +170,7 @@ sketch008 = startSketchOn(extrude003, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude004 = extrude(-0.050, sketch008)
+extrude004 = extrude(sketch008, length = -0.050)
 
 // Pattern holes in the spiral plate
 sketch009 = startSketchOn(extrude003, 'END')
@@ -182,7 +182,7 @@ sketch009 = startSketchOn(extrude003, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude005 = extrude(-0.050, sketch009)
+extrude005 = extrude(sketch009, length = -0.050)
 
 // Extrude a glass carafe body
 sketch010 = startSketchOn("XY")
@@ -192,7 +192,7 @@ sketch010 = startSketchOn("XY")
      }, %)
 
 // Perform a shell operation to hollow the carafe body with the top face removed
-extrude006 = extrude(carafeHeight, sketch010)
+extrude006 = extrude(sketch010, length = carafeHeight)
   |> shell({ faces = ["end"], thickness = .07 }, %)
 
 // Draw and revolve the lid
@@ -202,30 +202,30 @@ sketch011 = startSketchOn('XZ')
   |> yLine(0.7, %)
   |> xLine(0.3, %)
   |> yLine(0.4, %)
-  |> line([-0.02, 0.02], %)
+  |> line(end = [-0.02, 0.02])
   |> bezierCurve({
        to = [-carafeDiameter / 2 - 0.1, 1],
        control1 = [-0.3, 0],
        control2 = [carafeDiameter / 10, 1]
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
   |> revolve({ axis = 'y' }, %)
 
 // Draw and extrude handle
 sketch012 = startSketchOn(offsetPlane('XZ', handleThickness / 2))
   |> startProfileAt([2.3, 6.4], %)
-  |> line([0.56, 0], %)
+  |> line(end = [0.56, 0])
   |> tangentialArcTo([4.1, 5.26], %)
   |> tangentialArcTo([4.17, 1.6], %)
   |> tangentialArcTo([3.13, 0.61], %)
-  |> line([-1.09, 0], %)
-  |> line([0, 0.43], %)
-  |> line([0.99, -0.02], %)
+  |> line(end = [-1.09, 0])
+  |> line(end = [0, 0.43])
+  |> line(end = [0.99, -0.02])
   |> tangentialArcTo([3.63, 1.6], %)
   |> tangentialArcTo([3.56, 5.15], %)
   |> tangentialArcTo([2.72, 5.88], %)
-  |> line([-0.4, 0], %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-extrude007 = extrude(-handleThickness, sketch012)
+  |> line(end = [-0.4, 0])
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+extrude007 = extrude(sketch012, length = -handleThickness)
diff --git a/gear-rack/main.kcl b/gear-rack/main.kcl
index 1dc66d77..7e770db6 100644
--- a/gear-rack/main.kcl
+++ b/gear-rack/main.kcl
@@ -14,25 +14,25 @@ minHeight = 10.875
 // Create the body of the rack
 rackBody = startSketchOn('XY')
   |> startProfileAt([-length / 2, 0], %)
-  |> line([length, 0], %)
-  |> line([0, minHeight], %)
-  |> line([-length, 0], %)
-  |> close(%)
-  |> extrude(width, %)
+  |> line(end = [length, 0])
+  |> line(end = [0, minHeight])
+  |> line(end = [-length, 0])
+  |> close()
+  |> extrude(length = width)
 
 // Create a function for sketch of a single tooth
 fn tooth() {
   toothSketch = startSketchOn('XY')
     |> startProfileAt([-length / 2 + 0.567672, minHeight], %)
     |> tangentialArcToRelative([0.157636, 0.110378], %)
-    |> line([0.329118, 0.904244], %)
+    |> line(end = [0.329118, 0.904244])
     |> tangentialArcToRelative([0.157636, 0.110378], %)
-    |> line([0.186505, 0], %)
+    |> line(end = [0.186505, 0])
     |> tangentialArcToRelative([0.157636, -0.110378], %)
-    |> line([0.329118, -0.904244], %)
+    |> line(end = [0.329118, -0.904244])
     |> tangentialArcToRelative([0.157636, -0.110378], %)
-    |> close(%)
-    |> extrude(width, %)
+    |> close()
+    |> extrude(length = width)
   return toothSketch
 }
 
@@ -47,17 +47,17 @@ teeth = tooth()
 // Sketch and extrude the first end cap. This is a partial tooth
 endCapTooth = startSketchOn('XY')
   |> startProfileAt([-length / 2, 11.849525], %)
-  |> line([0.314524, -0.864147], %)
+  |> line(end = [0.314524, -0.864147])
   |> tangentialArcToRelative([0.157636, -0.110378], %)
-  |> lineTo([-length / 2, minHeight], %)
-  |> close(%)
-  |> extrude(width, %)
+  |> line(endAbsolute = [-length / 2, minHeight])
+  |> close()
+  |> extrude(length = width)
 
 // Sketch and extrude the second end cap. This is a partial tooth
 endCapTooth2 = startSketchOn('XY')
   |> startProfileAt([length / 2, 11.849525], %)
-  |> line([-0.314524, -0.864147], %)
+  |> line(end = [-0.314524, -0.864147])
   |> tangentialArcToRelative([-0.157636, -0.110378], %)
-  |> lineTo([length / 2, minHeight], %)
-  |> close(%)
-  |> extrude(width, %)
+  |> line(endAbsolute = [length / 2, minHeight])
+  |> close()
+  |> extrude(length = width)
diff --git a/gear/main.kcl b/gear/main.kcl
index 4963c2da..8b12883e 100644
--- a/gear/main.kcl
+++ b/gear/main.kcl
@@ -46,20 +46,20 @@ body = startSketchOn('XY')
        center = [0, 0],
        radius = baseDiameter / 2
      }, %)
-  |> extrude(gearHeight, %)
+  |> extrude(length = gearHeight)
 
 toothAngle = 360 / nTeeth / 1.5
 
 // Plot the involute curve
 fn leftInvolute(i, sg) {
   j = 100 - i // iterate backwards
-  return lineTo([xs[j], ys[j]], sg)
+  return line(sg, endAbsolute = [xs[j], ys[j]])
 }
 
 fn rightInvolute(i, sg) {
   x = rs[i] * cos(toRadians(-toothAngle + toDegrees(atan(ys[i] / xs[i]))))
   y = -rs[i] * sin(toRadians(-toothAngle + toDegrees(atan(ys[i] / xs[i]))))
-  return lineTo([x, y], sg)
+  return line(sg, endAbsolute = [x, y])
 }
 
 // Draw gear teeth
@@ -72,8 +72,8 @@ teeth = reduce([0..100], start, leftInvolute)
        radius = baseDiameter / 2
      }, %)
   |> reduce([1..101], %, rightInvolute)
-  |> close(%)
-  |> extrude(gearHeight, %)
+  |> close()
+  |> extrude(length = gearHeight)
   |> patternCircular3d({
        axis = [0, 0, 1],
        center = [0, 0, 0],
@@ -108,5 +108,5 @@ keyWay = startSketchOn(body, 'END')
        angleStart = 180,
        radius = holeRadius
      }, %)
-  |> close(%)
-  |> extrude(-gearHeight, %)
+  |> close()
+  |> extrude(length = -gearHeight)
diff --git a/gear/thumbnail.png b/gear/thumbnail.png
new file mode 100644
index 00000000..5bb240d6
Binary files /dev/null and b/gear/thumbnail.png differ
diff --git a/hex-nut/main.kcl b/hex-nut/main.kcl
index cc73a2bd..2778c225 100644
--- a/hex-nut/main.kcl
+++ b/hex-nut/main.kcl
@@ -18,12 +18,12 @@ fn hexNut(start, thk, innerDia) {
     |> angledLine({ angle = 120, length = innerDia }, %)
     |> angledLine({ angle = 60, length = innerDia }, %)
     |> angledLine({ angle = 0, length = innerDia * .90 }, %)
-    |> close(%)
+    |> close()
     |> hole(circle({
          center = [start[0], start[1]],
          radius = innerDia / 2
        }, %), %)
-    |> extrude(thk, %)
+    |> extrude(length = thk)
   return hexNutSketch
 }
 
diff --git a/i-beam/main.kcl b/i-beam/main.kcl
index 2bc6cca4..4fa867dd 100644
--- a/i-beam/main.kcl
+++ b/i-beam/main.kcl
@@ -19,4 +19,4 @@ sketch001 = startSketchOn('-XZ')
   |> yLineTo(0, %)
   |> mirror2d({ axis = 'X' }, %)
   |> mirror2d({ axis = 'Y' }, %)
-  |> extrude(beamLength, %)
+  |> extrude(length = beamLength)
diff --git a/kitt/main.kcl b/kitt/main.kcl
index 03453a3e..7d6d5ab5 100644
--- a/kitt/main.kcl
+++ b/kitt/main.kcl
@@ -5,12 +5,12 @@
 fn pixelBox(kitExtrude, extrudeTag, positionY, positionZ, width, height, depth) {
   pixelBoxBody = startSketchOn(kitExtrude, extrudeTag)
     |> startProfileAt([positionY, positionZ], %)
-    |> line([0, height], %)
-    |> line([width, 0], %)
-    |> line([0, -height], %)
-    |> lineTo([profileStartX(%), profileStartY(%)], %)
-    |> close(%)
-    |> extrude(depth, %)
+    |> line(end = [0, height])
+    |> line(end = [width, 0])
+    |> line(end = [0, -height])
+    |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+    |> close()
+    |> extrude(length = depth)
   return pixelBoxBody
 }
 
@@ -22,12 +22,12 @@ kitBodyDepth = 18
 
 kitBody = startSketchOn('XZ')
   |> startProfileAt([-kitBodyWidth / 2, kitBodyElevation], %)
-  |> line([0, kitBodyHeight], %)
-  |> line([kitBodyWidth, 0], %, $seg01)
-  |> line([0, -kitBodyHeight], %, $seg02)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-  |> extrude(kitBodyDepth, %)
+  |> line(end = [0, kitBodyHeight])
+  |> line(end = [kitBodyWidth, 0], tag = $seg01)
+  |> line(end = [0, -kitBodyHeight], tag = $seg02)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+  |> extrude(length = kitBodyDepth)
 
 // 2. Kitty Head (Frame of display)
 kitHeadOffset = 1
@@ -47,20 +47,20 @@ kitFaceDepth = 2
 
 kitFace = startSketchOn(kitHead, 'END')
   |> startProfileAt([-kitFaceWidth / 2, kitFaceElevation], %)
-  |> line([0, 1], %) // left lower corner up
-  |> line([-1, 0], %) // left lower corner left
-  |> line([0, kitFaceHeight], %) // left side up
-  |> line([1, 0], %) // left upper corner right
-  |> line([0, 1], %) // left upper corner up
-  |> line([kitFaceWidth, 0], %) // upper side right
-  |> line([0, -1], %) // right upper corner down
-  |> line([1, 0], %) // right upper corner right
-  |> line([0, -kitFaceHeight], %) // right side down
-  |> line([-1, 0], %) // right lower corner left
-  |> line([0, -1], %) // right lower corner down
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-  |> extrude(-kitFaceDepth, %)
+  |> line(end = [0, 1]) // left lower corner up
+  |> line(end = [-1, 0]) // left lower corner left
+  |> line(end = [0, kitFaceHeight]) // left side up
+  |> line(end = [1, 0]) // left upper corner right
+  |> line(end = [0, 1]) // left upper corner up
+  |> line(end = [kitFaceWidth, 0]) // upper side right
+  |> line(end = [0, -1]) // right upper corner down
+  |> line(end = [1, 0]) // right upper corner right
+  |> line(end = [0, -kitFaceHeight]) // right side down
+  |> line(end = [-1, 0]) // right lower corner left
+  |> line(end = [0, -1]) // right lower corner down
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+  |> extrude(length = -kitFaceDepth)
 
   // Kitty Face Features:
   // 3.1 Kitty Eyes
@@ -80,20 +80,20 @@ kitRightEye = pixelBox(kitFace, 'START', kitEyeOffset - 3, kitEyeHeihgt - 1, 2,
 kitNoseElevation = kitEyeHeihgt - 5
 kitNose = startSketchOn(kitFace, 'START')
   |> startProfileAt([-2, kitNoseElevation], %) // H V
-  |> line([0, 1], %) // lower-left up
-  |> line([2, 0], %) // lower-left right
-  |> line([0, 2], %) // mid-left up
-  |> line([-1, 0], %) // upper-left left
-  |> line([0, 1], %) // upper-left up
-  |> line([3, 0], %) // upper-mid right
-  |> line([0, -1], %) // upper-right down
-  |> line([-1, 0], %) // upper-right left
-  |> line([0, -2], %) // mid-left down
-  |> line([2, 0], %) // lower-right right
-  |> line([0, -1], %) // lower-right down
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-  |> extrude(kitEyeDepth, %)
+  |> line(end = [0, 1]) // lower-left up
+  |> line(end = [2, 0]) // lower-left right
+  |> line(end = [0, 2]) // mid-left up
+  |> line(end = [-1, 0]) // upper-left left
+  |> line(end = [0, 1]) // upper-left up
+  |> line(end = [3, 0]) // upper-mid right
+  |> line(end = [0, -1]) // upper-right down
+  |> line(end = [-1, 0]) // upper-right left
+  |> line(end = [0, -2]) // mid-left down
+  |> line(end = [2, 0]) // lower-right right
+  |> line(end = [0, -1]) // lower-right down
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+  |> extrude(length = kitEyeDepth)
 
 // 3.3 Kitty Mouth
 kitMouthOffset = 4
@@ -161,13 +161,13 @@ fn kitLeg(offsetFront, offsetSide) {
 
   kitFootPrint = startSketchOn('XY')
     |> startProfileAt([offsetSide, kitShoeOffsetFront], %)
-    |> line([kitShoeWidth, 0], %)
-    |> line([0, -kitShoeLength], %)
-    |> line([-kitShoeWidth, 0], %)
-    |> lineTo([profileStartX(%), profileStartY(%)], %)
-    |> close(%)
+    |> line(end = [kitShoeWidth, 0])
+    |> line(end = [0, -kitShoeLength])
+    |> line(end = [-kitShoeWidth, 0])
+    |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+    |> close()
 
-  kitShoe = extrude(kitShoeHeight, kitFootPrint)
+  kitShoe = extrude(kitFootPrint, length = kitShoeHeight)
 
   kitPantsOffsetSide = offsetSide + 1
   kitPantsOffsetFront = 2 * kitShoeOffsetFront - 2
diff --git a/lego/main.kcl b/lego/main.kcl
index 24c15865..8c6f99bd 100644
--- a/lego/main.kcl
+++ b/lego/main.kcl
@@ -48,11 +48,11 @@ tubeFace = {
 // Make the base
 s = startSketchOn('XY')
   |> startProfileAt([-totalWidth / 2, -totalLength / 2], %)
-  |> line([totalWidth, 0], %)
-  |> line([0, totalLength], %)
-  |> line([-totalWidth, 0], %)
-  |> close(%)
-  |> extrude(height, %)
+  |> line(end = [totalWidth, 0])
+  |> line(end = [0, totalLength])
+  |> line(end = [-totalWidth, 0])
+  |> close()
+  |> extrude(length = height)
 
 // Sketch and extrude a rectangular shape to create the shell underneath the lego. This is a hack until we have a shell function.
 shellExtrude = startSketchOn(s, "start")
@@ -60,11 +60,11 @@ shellExtrude = startSketchOn(s, "start")
        -(totalWidth / 2 - t),
        -(totalLength / 2 - t)
      ], %)
-  |> line([totalWidth - (2 * t), 0], %)
-  |> line([0, totalLength - (2 * t)], %)
-  |> line([-(totalWidth - (2 * t)), 0], %)
-  |> close(%)
-  |> extrude(-(height - t), %)
+  |> line(end = [totalWidth - (2 * t), 0])
+  |> line(end = [0, totalLength - (2 * t)])
+  |> line(end = [-(totalWidth - (2 * t)), 0])
+  |> close()
+  |> extrude(length = -(height - t))
 
 // Create the pegs on the top of the base
 peg = startSketchOn(s, 'end')
@@ -85,7 +85,7 @@ peg = startSketchOn(s, 'end')
        instances = lbumps,
        distance = pitch
      }, %)
-  |> extrude(bumpHeight, %)
+  |> extrude(length = bumpHeight)
 
 // Create the pegs on the bottom of the base
 tubePattern = startSketchOn(tubeFace)
@@ -106,4 +106,4 @@ tubePattern = startSketchOn(tubeFace)
        instances = lbumps - 1,
        distance = pitch
      }, %)
-  |> extrude(-bumpHeight, %)
+  |> extrude(length = -bumpHeight)
diff --git a/mounting-plate/main.kcl b/mounting-plate/main.kcl
index 767bb77d..eb217a2c 100644
--- a/mounting-plate/main.kcl
+++ b/mounting-plate/main.kcl
@@ -15,10 +15,10 @@ centerHoleDiameter = 2
 fn rectShape(pos, w, l) {
   rr = startSketchOn('XY')
     |> startProfileAt([pos[0] - (w / 2), pos[1] - (l / 2)], %)
-    |> lineTo([pos[0] + w / 2, pos[1] - (l / 2)], %, $edge1)
-    |> lineTo([pos[0] + w / 2, pos[1] + l / 2], %, $edge2)
-    |> lineTo([pos[0] - (w / 2), pos[1] + l / 2], %, $edge3)
-    |> close(%, $edge4)
+    |> line(endAbsolute = [pos[0] + w / 2, pos[1] - (l / 2)], tag = $edge1)
+    |> line(endAbsolute = [pos[0] + w / 2, pos[1] + l / 2], tag = $edge2)
+    |> line(endAbsolute = [pos[0] - (w / 2), pos[1] + l / 2], tag = $edge3)
+    |> close(tag = $edge4)
   return rr
 }
 
@@ -61,7 +61,7 @@ part = rs
        center = [0, 0],
        radius = centerHoleDiameter
      }, %), %)
-  |> extrude(plateThickness, %)
+  |> extrude(length = plateThickness)
   |> fillet({
        radius = filletRadius,
        tags = [
diff --git a/multi-axis-robot/robot-arm-base.kcl b/multi-axis-robot/robot-arm-base.kcl
index 8f94ef42..e781af45 100644
--- a/multi-axis-robot/robot-arm-base.kcl
+++ b/multi-axis-robot/robot-arm-base.kcl
@@ -20,9 +20,9 @@ sketch001 = startSketchOn('XY')
        segAng(rectangleSegmentA001),
        -segLen(rectangleSegmentA001)
      ], %, $rectangleSegmentC001)
-  |> lineTo([profileStartX(%), profileStartY(%)], %, $rectangleSegmentD001)
-  |> close(%)
-extrude001 = extrude(basePlateThickness, sketch001)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD001)
+  |> close()
+extrude001 = extrude(sketch001, length = basePlateThickness)
   |> chamfer({
        length = baseChamfer,
        tags = [
@@ -36,14 +36,14 @@ extrude001 = extrude(basePlateThickness, sketch001)
 // Base Motor for actuating first joint
 sketch002 = startSketchOn(extrude001, 'END')
   |> circle({ center = [0, 0], radius = 4 }, %, $referenceEdge)
-extrude002 = extrude(baseHeight - basePlateThickness - 1.5, sketch002)
+extrude002 = extrude(sketch002, length = baseHeight - basePlateThickness - 1.5)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge)]
      }, %)
 sketch003 = startSketchOn(extrude002, 'END')
   |> circle({ center = [0, 0], radius = 0.5 }, %)
-extrude003 = extrude(1, sketch003)
+extrude003 = extrude(sketch003, length = 1)
 
 // Pattern M8 mounting bolts in base
 sketch4A = startSketchOn(extrude001, 'END')
@@ -61,7 +61,7 @@ sketch4A = startSketchOn(extrude001, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude4A = extrude(-basePlateThickness, sketch4A)
+extrude4A = extrude(sketch4A, length = -basePlateThickness)
 
 sketch4B = startSketchOn(extrude001, 'END')
   |> circle({
@@ -78,7 +78,7 @@ sketch4B = startSketchOn(extrude001, 'END')
        rotateDuplicates = true
      }, %)
 
-export robotArmBase = extrude(-basePlateThickness, sketch4B)
+export robotArmBase = extrude(sketch4B, length = -basePlateThickness)
   |> appearance({
     color = "#754110",
     roughness = 90,
diff --git a/multi-axis-robot/robot-arm-j2.kcl b/multi-axis-robot/robot-arm-j2.kcl
index b45615c7..230506d5 100644
--- a/multi-axis-robot/robot-arm-j2.kcl
+++ b/multi-axis-robot/robot-arm-j2.kcl
@@ -25,14 +25,14 @@ sketch011 = startSketchOn(plane003)
        angleEnd = 90 + axisJ2,
        radius = axisJ2ArmWidth / 2
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-extrude011 = extrude(-axisJ2ArmThickness, sketch011)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+extrude011 = extrude(sketch011, length = -axisJ2ArmThickness)
 
 sketch012 = startSketchOn(extrude011, 'START')
   |> circle({ center = [-1.75, 8], radius = 1.9 }, %, $referenceEdge4)
 
-extrude012 = extrude(0.15, sketch012)
+extrude012 = extrude(sketch012, length = 0.15)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge4)]
@@ -46,7 +46,7 @@ sketch013 = startSketchOn(extrude011, 'START')
        radius = 1.9
      }, %, $referenceEdge5)
 
-extrude013 = extrude(1, sketch013)
+extrude013 = extrude(sketch013, length = 1)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge5)]
@@ -62,7 +62,7 @@ sketch014 = startSketchOn(extrude012, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude014 = extrude(0.15, sketch014)
+extrude014 = extrude(sketch014, length = 0.15)
 
 sketch015 = startSketchOn(extrude013, 'END')
   |> circle({
@@ -82,7 +82,7 @@ sketch015 = startSketchOn(extrude013, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude015 = extrude(0.15, sketch015)
+extrude015 = extrude(sketch015, length = 0.15)
 
 sketch016 = startSketchOn(extrude011, 'END')
   |> circle({
@@ -93,7 +93,7 @@ sketch016 = startSketchOn(extrude011, 'END')
        radius = 0.3
      }, %)
 
-export j2RobotArm = extrude(1, sketch016)
+export j2RobotArm = extrude(sketch016, length = 1)
   |> appearance({
     color = "#454545",
     metalness = 90,
diff --git a/multi-axis-robot/robot-arm-j3.kcl b/multi-axis-robot/robot-arm-j3.kcl
index 1c21700f..646a703a 100644
--- a/multi-axis-robot/robot-arm-j3.kcl
+++ b/multi-axis-robot/robot-arm-j3.kcl
@@ -25,9 +25,9 @@ sketch017 = startSketchOn(plane002)
        angleEnd = 90 + axisJ3C,
        radius = axisJ3CArmWidth / 2
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %, $seg01)
-  |> close(%)
-extrude017 = extrude(axisJ3CArmThickness, sketch017)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $seg01)
+  |> close()
+extrude017 = extrude(sketch017, length = axisJ3CArmThickness)
 
 sketch018 = startSketchOn(extrude017, 'END')
   |> circle({
@@ -38,7 +38,7 @@ sketch018 = startSketchOn(extrude017, 'END')
        radius = 3.7 / 2
      }, %, $referenceEdge6)
 
-extrude018 = extrude(0.15, sketch018)
+extrude018 = extrude(sketch018, length = 0.15)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge6)]
@@ -63,7 +63,7 @@ sketch019 = startSketchOn(extrude018, 'END')
        rotateDuplicates = true
      }, %)
 
-extrude019 = extrude(0.15, sketch019)
+extrude019 = extrude(sketch019, length = 0.15)
 
 // On the J3 Robot Arm Body, Create Mounting Clevis for Grabber Claw
 sketch020 = startSketchOn(extrude017, 'START')
@@ -74,7 +74,7 @@ sketch020 = startSketchOn(extrude017, 'START')
        ],
        radius = axisJ3CArmWidth / 2
      }, %)
-extrude020 = extrude(-0.5, sketch020)
+extrude020 = extrude(sketch020, length = -0.5)
 
 sketch021 = startSketchOn(extrude017, 'END')
   |> circle({
@@ -85,7 +85,7 @@ sketch021 = startSketchOn(extrude017, 'END')
        radius = axisJ3CArmWidth / 2.01
      }, %)
 
-extrude021 = extrude(-0.5, sketch021)
+extrude021 = extrude(sketch021, length = -0.5)
 
 // Define Grabber Claw Constants
 grabberLength = 7
@@ -93,7 +93,7 @@ grabberLength = 7
 sketch022 = startSketchOn(extrude021, 'START')
   |> circle({ center = [0, 0], radius = 0.10 }, %)
 
-extrude022 = extrude(-0.01, sketch022)
+extrude022 = extrude(sketch022, length = -0.01)
 
 // Build Upper Claw Finger
 sketch023 = startSketchOn(extrude022, 'START')
@@ -126,10 +126,10 @@ sketch023 = startSketchOn(extrude022, 'START')
        angle = axisJ3C + axisJ4 / 2 + 200,
        length = grabberLength / 3
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
 
-extrude023 = extrude(-1.5, sketch023)
+extrude023 = extrude(sketch023, length = -1.5)
 
 // Build Lower Claw Finger
 sketch024 = startSketchOn(extrude022, 'START')
@@ -162,10 +162,10 @@ sketch024 = startSketchOn(extrude022, 'START')
        angle = axisJ3C - (axisJ4 / 2) - 200,
        length = grabberLength / 3
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
 
-export j3RobotArm = extrude(-1.5, sketch024)
+export j3RobotArm = extrude(sketch024, length = -1.5)
   |> appearance({
     color = "#6572b3",
     metalness = 90,
diff --git a/multi-axis-robot/robot-rotating-base.kcl b/multi-axis-robot/robot-rotating-base.kcl
index 8ad24c68..a7a821b0 100644
--- a/multi-axis-robot/robot-rotating-base.kcl
+++ b/multi-axis-robot/robot-rotating-base.kcl
@@ -8,7 +8,7 @@ import axisJ1, baseHeight, plane001, plane002 from 'globals.kcl'
 // Create Rotating Base
 sketch005 = startSketchOn(plane001)
   |> circle({ center = [0, 0], radius = 3.9 }, %, $referenceEdge1)
-extrude005 = extrude(1.5 - 0.1, sketch005)
+extrude005 = extrude(sketch005, length = 1.5 - 0.1)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge1)]
@@ -28,10 +28,10 @@ sketch006 = startSketchOn(plane002)
      radius = 3
    }, %)
 |> angledLineToY({ angle = 60, to = baseHeight }, %)
-|> lineTo([profileStartX(%), profileStartY(%)], %)
-|> close(%)
+|> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+|> close()
 
-extrude006 = extrude(1, sketch006)
+extrude006 = extrude(sketch006, length = 1)
 
 sketch007 = startSketchOn(extrude006, 'END')
   |> circle({
@@ -41,7 +41,7 @@ sketch007 = startSketchOn(extrude006, 'END')
        ],
        radius = 2.75
      }, %, $referenceEdge2)
-extrude007 = extrude(1.5, sketch007)
+extrude007 = extrude(sketch007, length = 1.5)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge2)]
@@ -65,7 +65,7 @@ sketch008 = startSketchOn(extrude007, 'END')
        arcDegrees = 360,
        rotateDuplicates = true
      }, %)
-extrude008 = extrude(0.2, sketch008)
+extrude008 = extrude(sketch008, length = 0.2)
 
 sketch009 = startSketchOn(extrude007, 'END')
   |> circle({
@@ -75,7 +75,7 @@ sketch009 = startSketchOn(extrude007, 'END')
        ],
        radius = 0.5
      }, %, $referenceEdge3)
-extrude009 = extrude(0.15, sketch009)
+extrude009 = extrude(sketch009, length = 0.15)
   |> fillet({
        radius = 0.1,
        tags = [getOppositeEdge(referenceEdge3)]
@@ -89,4 +89,4 @@ extrude009 = extrude(0.15, sketch009)
 sketch010 = startSketchOn(plane002)
   |> circle({ center = [1.75, 8], radius = 0.3 }, %)
 
-export rotatingBase = extrude(-1, sketch010)
\ No newline at end of file
+export rotatingBase = extrude(sketch010, length = -1)
\ No newline at end of file
diff --git a/multi-axis-robot/thumbnail.png b/multi-axis-robot/thumbnail.png
new file mode 100644
index 00000000..b36fff95
Binary files /dev/null and b/multi-axis-robot/thumbnail.png differ
diff --git a/pipe-flange-assembly/main.kcl b/pipe-flange-assembly/main.kcl
index d3c1294b..63ec2945 100644
--- a/pipe-flange-assembly/main.kcl
+++ b/pipe-flange-assembly/main.kcl
@@ -59,7 +59,7 @@ fn capScrew(start, length, dia) {
        }, %)
 
   // Extrude the screw head sketch
-  screwHead = extrude(dia, screwHeadSketch)
+  screwHead = extrude(screwHeadSketch, length = dia)
 
   // Define the sketch of the hex pattern on the screw head
   hexPatternSketch = startSketchOn(screwHead, 'end')
@@ -88,8 +88,8 @@ fn capScrew(start, length, dia) {
          angle = hexStartingAngle - (4 * hexChangeAngle),
          length = hexWallLength
        }, %)
-    |> close(%)
-  hexPattern = extrude(-headLength * 0.75, hexPatternSketch)
+    |> close()
+  hexPattern = extrude(hexPatternSketch, length = -headLength * 0.75)
 
   return hexPattern
 }
@@ -114,7 +114,7 @@ fn washer(plane, start, thk, innerDia, outerDia) {
          center = [start[0], start[1]],
          radius = innerDia / 2
        }, %), %)
-    |> extrude(thk, %)
+    |> extrude(length = thk)
   return washerSketch
 }
 
@@ -150,12 +150,12 @@ fn hexNut(start, thk, innerDia) {
          length = innerDia * hexNutScale
        }, %)
     |> angledLine({ angle = 0, length = innerDia * .90 }, %)
-    |> close(%)
+    |> close()
     |> hole(circle({
          center = [0, 0],
          radius = innerDia / 2
        }, %), %)
-    |> extrude(-thk, %)
+    |> extrude(length = -thk)
   return hexNutSketch
 }
 
@@ -175,19 +175,19 @@ mountingHolePattern = startSketchOn('XZ')
 // Sketch and revolve the pipe
 pipe = startSketchOn('XY')
   |> startProfileAt([flangePipeDia / 2 - tol, 0], %)
-  |> line([0, -2], %)
+  |> line(end = [0, -2])
   |> angledLine({ angle = -60, length = .5 }, %)
-  |> line([0, -1], %)
-  |> line([-flangeThickness, 0], %)
-  |> line([0, 1], %)
+  |> line(end = [0, -1])
+  |> line(end = [-flangeThickness, 0])
+  |> line(end = [0, 1])
   |> angledLine({ angle = -240, length = .5 }, %)
-  |> line([0, 5], %)
+  |> line(end = [0, 5])
   |> angledLine({ angle = 60, length = .5 }, %)
-  |> line([0, 1], %)
-  |> line([flangeThickness, 0], %)
-  |> line([0, -1], %)
+  |> line(end = [0, 1])
+  |> line(end = [flangeThickness, 0])
+  |> line(end = [0, -1])
   |> angledLine({ angle = 240, length = .5 }, %)
-  |> close(%)
+  |> close()
   |> revolve({ axis = 'y' }, %)
   |> appearance({
     color = "#7b79d7",
@@ -196,16 +196,16 @@ pipe = startSketchOn('XY')
 // Sketch and extrude the wall
 wall = startSketchOn('XZ')
   |> startProfileAt([-4, -4], %)
-  |> line([0, 8], %)
-  |> line([8, 0], %)
-  |> line([0, -8], %)
-  |> close(%)
+  |> line(end = [0, 8])
+  |> line(end = [8, 0])
+  |> line(end = [0, -8])
+  |> close()
   |> hole(mountingHolePattern, %)
   |> hole(circle({
        center = [0, 0],
        radius = flangePipeDia / 2
      }, %), %)
-  |> extrude(wallThickness, %)
+  |> extrude(length = wallThickness)
   |> appearance({
     color = "#c7aa8f",
   }, %)
@@ -221,7 +221,7 @@ flangeBase = startSketchOn('XZ')
        center = [0, 0],
        radius = flangePipeDia / 2
      }, %), %)
-  |> extrude(-flangeThickness, %)
+  |> extrude(length = -flangeThickness)
   |> appearance({
     color = "#9b9797",
   }, %)
@@ -261,7 +261,7 @@ screwBodySketch = startSketchOn(screwPlane)
        center = [0, 0],
        radius = screwDia / 2
      }, %)
-screwBody = extrude(-screwLength, screwBodySketch)
+screwBody = extrude(screwBodySketch, length = -screwLength)
   |> patternCircular3d({
        axis = [0, 1, 0],
        center = [0, 0, 0],
diff --git a/pipe-flange-assembly/thumbnail.png b/pipe-flange-assembly/thumbnail.png
new file mode 100644
index 00000000..f49aea63
Binary files /dev/null and b/pipe-flange-assembly/thumbnail.png differ
diff --git a/pipe-with-bend/thumbnail.png b/pipe-with-bend/thumbnail.png
new file mode 100644
index 00000000..efc70e50
Binary files /dev/null and b/pipe-with-bend/thumbnail.png differ
diff --git a/pipe/main.kcl b/pipe/main.kcl
index 8b2ef3fb..8005b94f 100644
--- a/pipe/main.kcl
+++ b/pipe/main.kcl
@@ -17,20 +17,20 @@ pipeSmallDiaLength = pipeTotalLength - pipeTransitionLength - pipeLargeDiaLength
 // Create the sketch to be revolved around the y-axis. Use the small diameter, large diameter, length, and thickness to define the sketch.
 pipeSketch = startSketchOn('XY')
   |> startProfileAt([pipeSmallDia - (thickness / 2), 38], %)
-  |> line([thickness, 0], %)
-  |> line([0, -pipeSmallDiaLength], %)
+  |> line(end = [thickness, 0])
+  |> line(end = [0, -pipeSmallDiaLength])
   |> angledLineOfYLength({
        angle = -60,
        length = pipeTransitionLength
      }, %)
-  |> line([0, -pipeLargeDiaLength], %)
+  |> line(end = [0, -pipeLargeDiaLength])
   |> xLine(-thickness, %)
-  |> line([0, pipeLargeDiaLength], %)
+  |> line(end = [0, pipeLargeDiaLength])
   |> angledLineToX({
        angle = -pipeTransitionAngle + 180,
        to = pipeSmallDia - (thickness / 2)
      }, %)
-  |> close(%)
+  |> close()
 
 // Revolve the sketch to create the pipe
 pipe = revolve({ axis = 'y' }, pipeSketch)
diff --git a/pipe/thumbnail.png b/pipe/thumbnail.png
new file mode 100644
index 00000000..4159a418
Binary files /dev/null and b/pipe/thumbnail.png differ
diff --git a/poopy-shoe/main.kcl b/poopy-shoe/main.kcl
index 8502ceea..a91de152 100644
--- a/poopy-shoe/main.kcl
+++ b/poopy-shoe/main.kcl
@@ -29,7 +29,7 @@ sketch001 = startSketchOn("-YZ")
   |> xLineTo(0, %)
   |> yLineTo(segEndY(seg01), %)
   |> angledLineToY({ angle = 180 - 60, to = 0 }, %)
-  |> close(%)
+  |> close()
 part001 = revolve({
   angle = 90,
   axis = {
@@ -57,8 +57,8 @@ sketch002 = startSketchOn('-YZ')
   |> xLineTo(0, %)
   |> yLineTo(segEndY(seg02), %)
   |> angledLineToY({ angle = 180 - 60, to = 0 }, %)
-  |> close(%)
-  |> extrude(backLength - height, %)
+  |> close()
+  |> extrude(length = backLength - height)
 
 customPlane = {
   plane = {
@@ -76,8 +76,8 @@ sketch003 = startSketchOn(customPlane)
   |> startProfileAt([0, 0], %)
   |> tangentialArc({ offset = 60, radius = height }, %)
   |> angledLineToY({ angle = 60, to = 0 }, %)
-  |> close(%)
-  |> extrude(wallThickness, %)
+  |> close()
+  |> extrude(length = wallThickness)
 
 sketch004 = startSketchOn(sketch002, 'END')
   |> startProfileAt([0, 0], %)
@@ -98,8 +98,8 @@ sketch004 = startSketchOn(sketch002, 'END')
      ], %)
   |> tangentialArcTo([frontLength, exitHeight], %)
   |> yLineTo(0, %)
-  |> close(%, $seg04)
-  |> extrude(wallThickness, %)
+  |> close(tag = $seg04)
+  |> extrude(length = wallThickness)
 
 customPlane2 = {
   plane = {
@@ -123,24 +123,24 @@ sketch005 = startSketchOn(customPlane2)
      ], %)
   |> tangentialArcTo([frontLength, exitHeight], %)
   |> yLineTo(0, %, $seg03)
-  |> close(%)
-  |> extrude(wallThickness, %)
+  |> close()
+  |> extrude(length = wallThickness)
 
 sketch006 = startSketchOn(sketch005, seg03)
   |> startProfileAt([0, -1 * (backLength - height)], %)
   |> xLineTo(-exitHeight, %)
   |> yLine(-wallsWidth, %)
   |> xLineTo(0, %)
-  |> close(%)
-  |> extrude(wallThickness, %)
+  |> close()
+  |> extrude(length = wallThickness)
 
 sketch007 = startSketchOn(sketch004, 'END')
   |> startProfileAt([0, 0], %)
   |> xLineTo(wallThickness, %)
   |> yLineTo(height, %)
   |> xLineTo(0, %)
-  |> close(%)
-  |> extrude(wallsWidth - (2 * wallThickness), %)
+  |> close()
+  |> extrude(length = wallsWidth - (2 * wallThickness))
 
 customPlane3 = {
   plane = {
@@ -160,5 +160,5 @@ sketch008 = startSketchOn(customPlane3)
   |> xLineTo(frontLength, %)
   |> yLine(wallsWidth - (2 * wallThickness), %)
   |> xLineTo(wallThickness, %)
-  |> close(%)
-  |> extrude(-wallThickness, %)
+  |> close()
+  |> extrude(length = -wallThickness)
diff --git a/poopy-shoe/project.toml b/poopy-shoe/project.toml
new file mode 100644
index 00000000..1de6ca58
--- /dev/null
+++ b/poopy-shoe/project.toml
@@ -0,0 +1,2 @@
+[settings.app]
+themeColor = "255"
diff --git a/poopy-shoe/thumbnail.png b/poopy-shoe/thumbnail.png
new file mode 100644
index 00000000..470b31bd
Binary files /dev/null and b/poopy-shoe/thumbnail.png differ
diff --git a/requirements.txt b/requirements.txt
index b8ca0f6b..e9b9c4d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 pillow==11.1.0
 requests==2.32.3
-zoo-kcl==0.2.4
\ No newline at end of file
+zoo-kcl==0.2.5
\ No newline at end of file
diff --git a/router-template-cross-bar/main.kcl b/router-template-cross-bar/main.kcl
index ea2bcea2..75e3caf6 100644
--- a/router-template-cross-bar/main.kcl
+++ b/router-template-cross-bar/main.kcl
@@ -42,9 +42,9 @@ sketch001 = startSketchOn('XZ')
        angleStart = 180,
        radius = 10 + templateGap
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-extrude001 = extrude(5, sketch001)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+extrude001 = extrude(sketch001, length = 5)
 
 sketch003 = startSketchOn(extrude001, 'START')
   |> startProfileAt([distanceToInsideEdge, 0], %)
@@ -57,9 +57,9 @@ sketch003 = startSketchOn(extrude001, 'START')
        segAng(rectangleSegmentA002),
        -segLen(rectangleSegmentA002)
      ], %, $rectangleSegmentC002)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-extrude003 = extrude(13, sketch003)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+extrude003 = extrude(sketch003, length = 13)
 
 sketch002 = startSketchOn(extrude001, 'START')
   |> startProfileAt([-distanceToInsideEdge, 0], %)
@@ -72,10 +72,10 @@ sketch002 = startSketchOn(extrude001, 'START')
        segAng(rectangleSegmentA001),
        -segLen(rectangleSegmentA001)
      ], %, $rectangleSegmentC001)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
 
-extrude002 = extrude(13, sketch002)
+extrude002 = extrude(sketch002, length = 13)
 
 sketch004 = startSketchOn(extrude002, 'END')
   |> startProfileAt([-distanceToInsideEdge, 0], %)
@@ -88,6 +88,6 @@ sketch004 = startSketchOn(extrude002, 'END')
        segAng(rectangleSegmentA003),
        -segLen(rectangleSegmentA003)
      ], %, $rectangleSegmentC003)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-extrude004 = extrude(4, sketch004)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+extrude004 = extrude(sketch004, length = 4)
diff --git a/router-template-cross-bar/thumbnail.png b/router-template-cross-bar/thumbnail.png
new file mode 100644
index 00000000..e635fa20
Binary files /dev/null and b/router-template-cross-bar/thumbnail.png differ
diff --git a/router-template-slate/main.kcl b/router-template-slate/main.kcl
index a9efc1c9..7c18c7ab 100644
--- a/router-template-slate/main.kcl
+++ b/router-template-slate/main.kcl
@@ -29,7 +29,7 @@ sketch001 = startSketchOn('XZ')
   |> xLineTo(slateWidthHalf + templateThickness, %, $seg04)
   |> yLine(-length002, %, $seg03)
   |> xLineTo(ZERO, %, $seg02)
-  // |> line([7.78, 11.16], %)
+  // |> line(end = [7.78, 11.16])
   |> xLine(-segLen(seg02), %)
   |> yLine(segLen(seg03), %)
   |> xLine(segLen(seg04), %)
@@ -39,11 +39,11 @@ sketch001 = startSketchOn('XZ')
        angleStart = 180,
        radius = radius - templateGap
      }, %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
 
 // Extrude the first sketch
-extrude001 = extrude(5, sketch001)
+extrude001 = extrude(sketch001, length = 5)
 
 // Create the second sketch
 sketch002 = startSketchOn(extrude001, 'START')
@@ -60,11 +60,11 @@ sketch002 = startSketchOn(extrude001, 'START')
        segAng(rectangleSegmentA001),
        -segLen(rectangleSegmentA001)
      ], %, $rectangleSegmentC001)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
 
 // Extrude the second sketch
-extrude002 = extrude(7.5, sketch002)
+extrude002 = extrude(sketch002, length = 7.5)
 
 // Create the third sketch
 sketch003 = startSketchOn(extrude001, 'START')
@@ -81,8 +81,8 @@ sketch003 = startSketchOn(extrude001, 'START')
        segAng(rectangleSegmentA002),
        -segLen(rectangleSegmentA002)
      ], %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
 
 // Extrude the third Sketch
-extrude003 = extrude(7.5, sketch003)
+extrude003 = extrude(sketch003, length = 7.5)
diff --git a/router-template-slate/thumbnail.png b/router-template-slate/thumbnail.png
new file mode 100644
index 00000000..b5c41d6c
Binary files /dev/null and b/router-template-slate/thumbnail.png differ
diff --git a/screenshots/thumbnail.png b/screenshots/thumbnail.png
new file mode 100644
index 00000000..e69de29b
diff --git a/sheet-metal-bracket/main.kcl b/sheet-metal-bracket/main.kcl
index 31f51183..d1dbd726 100644
--- a/sheet-metal-bracket/main.kcl
+++ b/sheet-metal-bracket/main.kcl
@@ -17,19 +17,19 @@ flangeWidth = 1.5
 // Sketch and extrude the base shape and fillet the inside and outside edges.
 baseExtrusion = startSketchOn('-XZ')
   |> startProfileAt([0, 0], %)
-  |> line([0, thickness], %, $e1)
-  |> line([flangeLength, 0], %, $e2)
-  |> line([0, hatHeight], %, $e3)
-  |> line([hatWidth, 0], %, $e4)
-  |> line([0, -hatHeight], %, $e5)
-  |> line([flangeLength, 0], %, $e6)
-  |> line([0, -thickness], %, $e7)
-  |> line([-flangeLength - thickness, 0], %, $e8)
-  |> line([0, hatHeight], %, $e9)
-  |> line([-hatWidth + 2 * thickness, 0], %, $e10)
-  |> line([0, -hatHeight], %, $e11)
-  |> close(%, $e12)
-  |> extrude(hatWidth, %)
+  |> line(end = [0, thickness], tag = $e1)
+  |> line(end = [flangeLength, 0], tag = $e2)
+  |> line(end = [0, hatHeight], tag = $e3)
+  |> line(end = [hatWidth, 0], tag = $e4)
+  |> line(end = [0, -hatHeight], tag = $e5)
+  |> line(end = [flangeLength, 0], tag = $e6)
+  |> line(end = [0, -thickness], tag = $e7)
+  |> line(end = [-flangeLength - thickness, 0], tag = $e8)
+  |> line(end = [0, hatHeight], tag = $e9)
+  |> line(end = [-hatWidth + 2 * thickness, 0], tag = $e10)
+  |> line(end = [0, -hatHeight], tag = $e11)
+  |> close(tag = $e12)
+  |> extrude(length = hatWidth)
   |> fillet({
        radius = bendRad,
        tags = [getNextAdjacentEdge(e2)]
@@ -66,10 +66,10 @@ baseExtrusion = startSketchOn('-XZ')
 // Define the flanges and place the bolt holes
 flange1 = startSketchOn('XY')
   |> startProfileAt([0, 0], %)
-  |> line([0, hatWidth], %)
-  |> line([flangeWidth, 0], %, $e13)
-  |> line([0, -hatWidth], %, $e14)
-  |> close(%)
+  |> line(end = [0, hatWidth])
+  |> line(end = [flangeWidth, 0], tag = $e13)
+  |> line(end = [0, -hatWidth], tag = $e14)
+  |> close()
   |> hole(circle({
        center = [0.75, 1],
        radius = boltSize
@@ -78,7 +78,7 @@ flange1 = startSketchOn('XY')
        center = [0.75, 4],
        radius = boltSize
      }, %), %)
-  |> extrude(thickness, %)
+  |> extrude(length = thickness)
   |> fillet({
        radius = 0.5,
        tags = [
@@ -89,10 +89,10 @@ flange1 = startSketchOn('XY')
 
 flange2 = startSketchOn('XY')
   |> startProfileAt([-6, 0], %)
-  |> line([0, hatWidth], %)
-  |> line([-flangeWidth, 0], %, $e15)
-  |> line([0, -hatWidth], %, $e16)
-  |> close(%)
+  |> line(end = [0, hatWidth])
+  |> line(end = [-flangeWidth, 0], tag = $e15)
+  |> line(end = [0, -hatWidth], tag = $e16)
+  |> close()
   |> hole(circle({
        center = [-6.75, 1],
        radius = boltSize
@@ -101,7 +101,7 @@ flange2 = startSketchOn('XY')
        center = [-6.75, 4],
        radius = boltSize
      }, %), %)
-  |> extrude(thickness, %)
+  |> extrude(length = thickness)
   |> fillet({
        radius = 0.25,
        tags = [
diff --git a/sheet-metal-bracket/thumbnail.png b/sheet-metal-bracket/thumbnail.png
new file mode 100644
index 00000000..b54a9bc9
Binary files /dev/null and b/sheet-metal-bracket/thumbnail.png differ
diff --git a/socket-head-cap-screw/main.kcl b/socket-head-cap-screw/main.kcl
index 75126301..42d6f92f 100644
--- a/socket-head-cap-screw/main.kcl
+++ b/socket-head-cap-screw/main.kcl
@@ -27,7 +27,7 @@ fn capScrew(start, length, dia, capHeadLength) {
        }, %)
 
   // Extrude the screw head sketch
-  screwHead = extrude(capHeadLength, screwHeadSketch)
+  screwHead = extrude(screwHeadSketch, length = capHeadLength)
 
   // Define the sketch of the hex pattern on the screw head
   hexPatternSketch = startSketchOn(screwHead, 'end')
@@ -53,15 +53,15 @@ fn capScrew(start, length, dia, capHeadLength) {
          angle = hexStartingAngle - (4 * hexChangeAngle),
          length = hexWallLength
        }, %)
-    |> close(%)
-  hexPattern = extrude(-headLength * 0.75, hexPatternSketch)
+    |> close()
+  hexPattern = extrude(hexPatternSketch, length = -headLength * 0.75)
 
   screwBodySketch = startSketchOn(screwHead, "start")
     |> circle({
          center = [start[0], start[1]],
          radius = dia / 2
        }, %)
-  screwBody = extrude(length, screwBodySketch)
+  screwBody = extrude(screwBodySketch, length = length)
   return screwBody
 }
 
diff --git a/socket-head-cap-screw/thumbnail.png b/socket-head-cap-screw/thumbnail.png
new file mode 100644
index 00000000..a44fe3ad
Binary files /dev/null and b/socket-head-cap-screw/thumbnail.png differ
diff --git a/step/80-20-rail.step b/step/80-20-rail.step
index 93f479d8..d90b37c8 100644
--- a/step/80-20-rail.step
+++ b/step/80-20-rail.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:13.586605563+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:02.214139267+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/a-parametric-bearing-pillow-block.step b/step/a-parametric-bearing-pillow-block.step
index e0734867..e787f67c 100644
--- a/step/a-parametric-bearing-pillow-block.step
+++ b/step/a-parametric-bearing-pillow-block.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:08.664750528+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:17:57.484366346+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/ball-bearing.step b/step/ball-bearing.step
index 862d30ab..a12aad52 100644
--- a/step/ball-bearing.step
+++ b/step/ball-bearing.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:08.978181593+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:17:57.839079446+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/bracket.step b/step/bracket.step
index ecd5bc2b..6511a4e1 100644
--- a/step/bracket.step
+++ b/step/bracket.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:08.987367221+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:17:57.879025585+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/car-wheel-assembly.step b/step/car-wheel-assembly.step
index 7248aca3..ecd5398a 100644
--- a/step/car-wheel-assembly.step
+++ b/step/car-wheel-assembly.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:16.554285897+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:05.503016661+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/dodecahedron.step b/step/dodecahedron.step
index fb01ddfb..565466b6 100644
--- a/step/dodecahedron.step
+++ b/step/dodecahedron.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:11.637881092+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:01.020199248+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/enclosure.step b/step/enclosure.step
index 6c1cf16a..026b0fd7 100644
--- a/step/enclosure.step
+++ b/step/enclosure.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:14.665880279+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:03.528218491+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/flange-with-patterns.step b/step/flange-with-patterns.step
index ac787925..826d62af 100644
--- a/step/flange-with-patterns.step
+++ b/step/flange-with-patterns.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:12.889584031+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:01.633568622+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/flange-xy.step b/step/flange-xy.step
index b7fe94f0..7b7bee6c 100644
--- a/step/flange-xy.step
+++ b/step/flange-xy.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:14.878787057+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:04.562650597+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/focusrite-scarlett-mounting-bracket.step b/step/focusrite-scarlett-mounting-bracket.step
index 4156e300..b4f72d53 100644
--- a/step/focusrite-scarlett-mounting-bracket.step
+++ b/step/focusrite-scarlett-mounting-bracket.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:16.739415699+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:05.895937793+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/food-service-spatula.step b/step/food-service-spatula.step
index 718e6a17..5866ec79 100644
--- a/step/food-service-spatula.step
+++ b/step/food-service-spatula.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:18.579986756+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:08.032265156+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/french-press.step b/step/french-press.step
index 475beb16..97fcb8e4 100644
--- a/step/french-press.step
+++ b/step/french-press.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:23.597549483+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:12.034546882+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/gear-rack.step b/step/gear-rack.step
index 0d40696f..cc1bd476 100644
--- a/step/gear-rack.step
+++ b/step/gear-rack.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:22.511519160+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:12.814238859+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/gear.step b/step/gear.step
index 07b8219c..38599e4a 100644
--- a/step/gear.step
+++ b/step/gear.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:20.600917286+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:09.071464992+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/hex-nut.step b/step/hex-nut.step
index b5a38298..b5d132ff 100644
--- a/step/hex-nut.step
+++ b/step/hex-nut.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:21.697331190+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:11.363949993+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/i-beam.step b/step/i-beam.step
index 59d03cdb..70bdbd80 100644
--- a/step/i-beam.step
+++ b/step/i-beam.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:23.862526638+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:12.502110482+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/kitt.step b/step/kitt.step
index 2ef5be5a..186114a6 100644
--- a/step/kitt.step
+++ b/step/kitt.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:27.107295653+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:17.115088847+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/lego.step b/step/lego.step
index 5d4f4eda..a2d08f37 100644
--- a/step/lego.step
+++ b/step/lego.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:30.219871985+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:19.910419224+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/mounting-plate.step b/step/mounting-plate.step
index ca61bd6a..8d180bbf 100644
--- a/step/mounting-plate.step
+++ b/step/mounting-plate.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:26.902773249+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:16.836168614+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/multi-axis-robot.step b/step/multi-axis-robot.step
index a2edf8dd..87a6f70c 100644
--- a/step/multi-axis-robot.step
+++ b/step/multi-axis-robot.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:41.631205670+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:29.810496023+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/pipe-flange-assembly.step b/step/pipe-flange-assembly.step
index e100ace9..4dcfb5df 100644
--- a/step/pipe-flange-assembly.step
+++ b/step/pipe-flange-assembly.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:33.670522340+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:22.404970118+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/pipe-with-bend.step b/step/pipe-with-bend.step
index bad8d81c..5ae9aa0f 100644
--- a/step/pipe-with-bend.step
+++ b/step/pipe-with-bend.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:32.302757870+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:21.380796270+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/pipe.step b/step/pipe.step
index e4f2669b..839c599b 100644
--- a/step/pipe.step
+++ b/step/pipe.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:29.885916835+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:18.819842678+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/poopy-shoe.step b/step/poopy-shoe.step
index bd9f3f22..7902d223 100644
--- a/step/poopy-shoe.step
+++ b/step/poopy-shoe.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:33.340422672+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:23.561375112+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/router-template-cross-bar.step b/step/router-template-cross-bar.step
index 626045e5..2f0fee5f 100644
--- a/step/router-template-cross-bar.step
+++ b/step/router-template-cross-bar.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:35.163458071+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:24.238747170+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/router-template-slate.step b/step/router-template-slate.step
index dc6fb801..2d1923f6 100644
--- a/step/router-template-slate.step
+++ b/step/router-template-slate.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:36.652599823+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:27.046537176+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/sheet-metal-bracket.step b/step/sheet-metal-bracket.step
index 29788c6e..5045b4c1 100644
--- a/step/sheet-metal-bracket.step
+++ b/step/sheet-metal-bracket.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:38.715348952+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:28.015849815+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/socket-head-cap-screw.step b/step/socket-head-cap-screw.step
index af76ee46..6f768ad1 100644
--- a/step/socket-head-cap-screw.step
+++ b/step/socket-head-cap-screw.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:37.935358405+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:26.971759844+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/thumbnail.png b/step/thumbnail.png
new file mode 100644
index 00000000..1dc09b13
Binary files /dev/null and b/step/thumbnail.png differ
diff --git a/step/walkie-talkie.step b/step/walkie-talkie.step
index 9cc4cc1a..ca355af1 100644
--- a/step/walkie-talkie.step
+++ b/step/walkie-talkie.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:41.702606020+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:30.984378226+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/step/washer.step b/step/washer.step
index 5abbd96d..3d7716e5 100644
--- a/step/washer.step
+++ b/step/washer.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION((('zoo.dev export')), '2;1');
-FILE_NAME('dump.step', '2025-01-31T21:50:39.412908875+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
+FILE_NAME('dump.step', '2025-02-05T18:18:29.742340759+00:00', ('Author unknown'), ('Organization unknown'), 'zoo.dev beta', 'zoo.dev', 'Authorization unknown');
 FILE_SCHEMA(('AP203_CONFIGURATION_CONTROLLED_3D_DESIGN_OF_MECHANICAL_PARTS_AND_ASSEMBLIES_MIM_LF'));
 ENDSEC;
 DATA;
diff --git a/walkie-talkie/antenna.kcl b/walkie-talkie/antenna.kcl
index 6267d76b..3269d1aa 100644
--- a/walkie-talkie/antenna.kcl
+++ b/walkie-talkie/antenna.kcl
@@ -30,10 +30,10 @@ antennaPlane = {
 // Create the antenna base sketch
 sketch001 = startSketchOn(antennaPlane)
   |> startProfileAt([origin[0], origin[1]], %)
-  |> line([antennaBaseWidth, 0], %)
-  |> line([0, -antennaBaseHeight], %)
-  |> line([-antennaBaseWidth, 0], %)
-  |> close(%)
+  |> line(end = [antennaBaseWidth, 0])
+  |> line(end = [0, -antennaBaseHeight])
+  |> line(end = [-antennaBaseWidth, 0])
+  |> close()
 
 // Create the antenna top sketch 
 loftPlane = offsetPlane('XY', height/2 + 3)
@@ -43,7 +43,7 @@ sketch002 = startSketchOn(loftPlane)
   |> xLine(antennaTopWidth, %)
   |> yLine(-antennaTopHeight, %)
   |> xLine(-antennaTopWidth, %)
-  |> close(%)
+  |> close()
 
 // Create the antenna using a loft
 export antenna = loft([sketch001, sketch002])
\ No newline at end of file
diff --git a/walkie-talkie/body.kcl b/walkie-talkie/body.kcl
index d232ef57..b4df64b2 100644
--- a/walkie-talkie/body.kcl
+++ b/walkie-talkie/body.kcl
@@ -11,8 +11,8 @@ bodySketch = startSketchOn('XZ')
   |> xLine(width, %, $chamfer1)
   |> yLine(-height, %, $chamfer2)
   |> xLine(-width, %, $chamfer3)
-  |> close(%, $chamfer4)
-bodyExtrude = extrude(thickness, bodySketch)
+  |> close(tag = $chamfer4)
+bodyExtrude = extrude(bodySketch, length = thickness)
   |> chamfer({
        length = chamferLength,
        tags = [
@@ -35,29 +35,29 @@ sketch002 = startSketchOn(bodyExtrude, 'END')
        height / 2 - (chamferLength + offset / 2 * cos(toRadians(45)))
      ], %)
   |> angledLineToY({ angle = 45, to = height / 2 - offset }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        width / 2 - (chamferLength + offset / 2 * cos(toRadians(45))),
        height / 2 - offset
-     ], %)
+     ])
   |> angledLineToX({ angle = -45, to = width / 2 - offset }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        width / 2 - offset,
        -(height / 2 - (chamferLength + offset / 2 * cos(toRadians(45))))
-     ], %)
+     ])
   |> angledLineToY({
        angle = -135,
        to = -height / 2 + offset
      }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        -(width / 2 - (chamferLength + offset / 2 * cos(toRadians(45)))),
        -height / 2 + offset
-     ], %)
+     ])
   |> angledLineToX({
        angle = -225,
        to = -width / 2 + offset
      }, %)
-  |> close(%)
-extrude002 = extrude(-0.0625, sketch002)
+  |> close()
+extrude002 = extrude(sketch002, length = -0.0625)
   // |> appearance({
   //      color = '#707980',
   //      metalness = 90,
@@ -71,9 +71,9 @@ sketch003 = startSketchOn(extrude002, 'start')
   |> xLine(screenWidth, %, $seg01)
   |> yLine(-screenHeight, %)
   |> xLine(-segLen(seg01), %)
-  |> lineTo([profileStartX(%), profileStartY(%)], %)
-  |> close(%)
-extrude003 = extrude(screenDepth, sketch003)
+  |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+  |> close()
+extrude003 = extrude(sketch003, length = screenDepth)
   // |> appearance({
   //      color = '#707980',
   //      metalness = 90,
@@ -87,6 +87,6 @@ sketch004 = startSketchOn(extrude002, 'start')
   |> xLine(speakerBoxWidth, %)
   |> yLine(-speakerBoxHeight, %)
   |> xLine(-speakerBoxWidth, %)
-  |> close(%)
+  |> close()
   
-export body = extrude(-.5, sketch004)
\ No newline at end of file
+export body = extrude(sketch004, length = -.5)
\ No newline at end of file
diff --git a/walkie-talkie/button.kcl b/walkie-talkie/button.kcl
index 551607c9..1d75d4df 100644
--- a/walkie-talkie/button.kcl
+++ b/walkie-talkie/button.kcl
@@ -23,8 +23,8 @@ export fn button(origin, rotation, plane) {
          angle = 0 + rotation,
          length = buttonWidth
        }, %)
-    |> close(%)
-  buttonExtrude = extrude(buttonThickness, buttonSketch)
+    |> close()
+  buttonExtrude = extrude(buttonSketch, length = buttonThickness)
     |> chamfer({
          length = .050,
          tags = [
diff --git a/walkie-talkie/case.kcl b/walkie-talkie/case.kcl
index f5c01384..34eb4eda 100644
--- a/walkie-talkie/case.kcl
+++ b/walkie-talkie/case.kcl
@@ -15,8 +15,8 @@ fn screenHole(sketchStart) {
     |> xLine(screenWidth, %)
     |> yLine(-screenHeight, %)
     |> xLine(-screenWidth, %)
-    |> lineTo([profileStartX(%), profileStartY(%)], %)
-    |> close(%)
+    |> line(endAbsolute = [profileStartX(%), profileStartY(%)])
+    |> close()
   return sketch006
 }
 
@@ -29,10 +29,10 @@ fn squareHolePattern(plane, x, y) {
   }
   squareHolePatternSketch = startSketchOn(plane)
     |> startProfileAt([-x, -y], %)
-    |> line([squareHoleSideLength / 2, 0], %)
-    |> line([0, -squareHoleSideLength / 2], %)
-    |> line([-squareHoleSideLength / 2, 0], %)
-    |> close(%)
+    |> line(end = [squareHoleSideLength / 2, 0])
+    |> line(end = [0, -squareHoleSideLength / 2])
+    |> line(end = [-squareHoleSideLength / 2, 0])
+    |> close()
     |> patternTransform2d(13, transformX, %)
     |> patternTransform2d(11, transformY, %)
   return squareHolePatternSketch
@@ -46,31 +46,31 @@ sketch005 = startSketchOn(offsetPlane("XZ", 1))
        angle = 45,
        to = height / 2 - (offset + caseTolerance)
      }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        width / 2 - (chamferLength + (offset + caseTolerance) / 2 * cos(toRadians(45))),
        height / 2 - (offset + caseTolerance)
-     ], %)
+     ])
   |> angledLineToX({
        angle = -45,
        to = width / 2 - (offset + caseTolerance)
      }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        width / 2 - (offset + caseTolerance),
        -(height / 2 - (chamferLength + (offset + caseTolerance) / 2 * cos(toRadians(45))))
-     ], %)
+     ])
   |> angledLineToY({
        angle = -135,
        to = -height / 2 + offset + caseTolerance
      }, %)
-  |> lineTo([
+  |> line(endAbsolute = [
        -(width / 2 - (chamferLength + (offset + caseTolerance) / 2 * cos(toRadians(45)))),
        -height / 2 + offset + caseTolerance
-     ], %)
+     ])
   |> angledLineToX({
        angle = -225,
        to = -width / 2 + offset + caseTolerance
      }, %)
-  |> close(%)
+  |> close()
   |> hole(screenHole(plane), %)
   |> hole(squareHolePattern(plane, .75, .125), %)
   |> hole(zLogo(plane, [-.30, -1.825], .20), %)
@@ -79,7 +79,7 @@ sketch005 = startSketchOn(offsetPlane("XZ", 1))
   |> hole(oLogo(plane, [.175, -1.825], .20), %)
   |> hole(oLogo2(plane, [.175, -1.825], .20), %)
 
-export case = extrude(-0.0625, sketch005)
+export case = extrude(sketch005, length = -0.0625)
   |> appearance({
      color = '#D0FF01',
      metalness = 0,
diff --git a/walkie-talkie/knob.kcl b/walkie-talkie/knob.kcl
index c2f233c9..d6240c34 100644
--- a/walkie-talkie/knob.kcl
+++ b/walkie-talkie/knob.kcl
@@ -31,7 +31,7 @@ export knob = startSketchOn(knobPlane)
        radius = .05
      }, %)
   |> xLineTo(0.0001, %)
-  |> close(%)
+  |> close()
   |> revolve({
     axis = "Y",
   }, %)
diff --git a/walkie-talkie/talk-button.kcl b/walkie-talkie/talk-button.kcl
index 7f0e51b1..83bf6830 100644
--- a/walkie-talkie/talk-button.kcl
+++ b/walkie-talkie/talk-button.kcl
@@ -28,11 +28,11 @@ talkButtonSketch = startSketchOn(talkButtonPlane)
   |> xLine(talkButtonSideLength, %, $tag1)
   |> yLine(-talkButtonSideLength, %, $tag2)
   |> xLine(-talkButtonSideLength, %, $tag3)
-  |> close(%, $tag4)
+  |> close(tag = $tag4)
 
 
 // Create the talk button and apply fillets
-export talkButton = extrude(talkButtonHeight, talkButtonSketch)
+export talkButton = extrude(talkButtonSketch, length = talkButtonHeight)
   |> fillet({
        radius = 0.050,
        tags = [
diff --git a/walkie-talkie/thumbnail.png b/walkie-talkie/thumbnail.png
new file mode 100644
index 00000000..3b2d596d
Binary files /dev/null and b/walkie-talkie/thumbnail.png differ
diff --git a/walkie-talkie/zoo-logo.kcl b/walkie-talkie/zoo-logo.kcl
index fa101d3c..03e71643 100644
--- a/walkie-talkie/zoo-logo.kcl
+++ b/walkie-talkie/zoo-logo.kcl
@@ -35,7 +35,7 @@ export fn zLogo(surface, origin, scale) {
          intersectTag = seg2,
          offset = 0
        }, %)
-    |> close(%)
+    |> close()
   return zSketch
 }
 
@@ -57,7 +57,7 @@ export fn oLogo(surface, origin, scale) {
          angleEnd = 47.15 + 11,
          radius = .288 * scale
        }, %)
-    |> close(%)
+    |> close()
   return oSketch001
 }
 
@@ -78,6 +78,6 @@ export fn oLogo2(surface, origin, scale) {
          angleEnd = 47.15 + 11 - 180,
          radius = .288 * scale
        }, %)
-    |> close(%)
+    |> close()
   return oSketch002
 }
\ No newline at end of file
diff --git a/washer/main.kcl b/washer/main.kcl
index 33f8ec6c..8dece81b 100644
--- a/washer/main.kcl
+++ b/washer/main.kcl
@@ -23,7 +23,7 @@ fn washer(plane, innerDia, outerDia, thk) {
          radius = innerDia / 2
        }, %), %)
 
-  washer = extrude(thk, washerSketch)
+  washer = extrude(washerSketch, length = thk)
   return washer
 }
 
diff --git a/washer/thumbnail.png b/washer/thumbnail.png
new file mode 100644
index 00000000..754ee226
Binary files /dev/null and b/washer/thumbnail.png differ