diff --git a/conf.py b/conf.py
index 359eed82..f25d142b 100644
--- a/conf.py
+++ b/conf.py
@@ -63,7 +63,8 @@ def tagged_commit():
     "sphinx_togglebutton",
     "sphinxcontrib.youtube",
     "sphinx_simplepdf",
-    "myst_nb"
+    "myst_nb",
+    "sphinx_reredirects"
 ]
 
 myst_enable_extensions = [
@@ -107,6 +108,14 @@ def tagged_commit():
 
 gettext_compact = False
 
+if not tags.has("offline"):
+    redirects = {
+        "Making_things_move/index" : "../Motion_Capture_Movement/index.html",
+        "Making_things_move/lesson5" : "../Motion_Capture_Movement/lesson1.html",
+        "Scaling/lesson3" : "../Scaling/index.html",
+        "Scaling/lesson3_appendix" : "../Scaling/index.html",
+        "Scaling/lesson4" : "../Scaling/index.html"
+    }
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
diff --git a/pixi.lock b/pixi.lock
index 3e5eb6b7..f5b109d9 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -191,6 +191,7 @@ environments:
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-book-theme-1.1.4-pyh29332c3_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-copybutton-0.5.2-pyhd8ed1ab_1.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-design-0.6.1-pyhd8ed1ab_2.conda
+      - conda: https://prefix.dev/conda-forge/noarch/sphinx-reredirects-1.0.0-pyhd8ed1ab_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-simplepdf-1.6.0-pyh29332c3_2.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-togglebutton-0.3.2-pyhd8ed1ab_0.tar.bz2
       - conda: https://prefix.dev/conda-forge/noarch/sphinxcontrib-applehelp-2.0.0-pyhd8ed1ab_1.conda
@@ -411,6 +412,7 @@ environments:
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-book-theme-1.1.4-pyh29332c3_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-copybutton-0.5.2-pyhd8ed1ab_1.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-design-0.6.1-pyhd8ed1ab_2.conda
+      - conda: https://prefix.dev/conda-forge/noarch/sphinx-reredirects-1.0.0-pyhd8ed1ab_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-simplepdf-1.6.0-pyh29332c3_2.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-togglebutton-0.3.2-pyhd8ed1ab_0.tar.bz2
       - conda: https://prefix.dev/conda-forge/noarch/sphinxcontrib-applehelp-2.0.0-pyhd8ed1ab_1.conda
@@ -648,6 +650,7 @@ environments:
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-book-theme-1.1.4-pyh29332c3_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-copybutton-0.5.2-pyhd8ed1ab_1.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-design-0.6.1-pyhd8ed1ab_2.conda
+      - conda: https://prefix.dev/conda-forge/noarch/sphinx-reredirects-1.0.0-pyhd8ed1ab_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-simplepdf-1.6.0-pyh29332c3_2.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-togglebutton-0.3.2-pyhd8ed1ab_0.tar.bz2
       - conda: https://prefix.dev/conda-forge/noarch/sphinxcontrib-applehelp-2.0.0-pyhd8ed1ab_1.conda
@@ -870,6 +873,7 @@ environments:
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-book-theme-1.1.4-pyh29332c3_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-copybutton-0.5.2-pyhd8ed1ab_1.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-design-0.6.1-pyhd8ed1ab_2.conda
+      - conda: https://prefix.dev/conda-forge/noarch/sphinx-reredirects-1.0.0-pyhd8ed1ab_0.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-simplepdf-1.6.0-pyh29332c3_2.conda
       - conda: https://prefix.dev/conda-forge/noarch/sphinx-togglebutton-0.3.2-pyhd8ed1ab_0.tar.bz2
       - conda: https://prefix.dev/conda-forge/noarch/sphinxcontrib-applehelp-2.0.0-pyhd8ed1ab_1.conda
@@ -4339,6 +4343,16 @@ packages:
   license_family: MIT
   size: 911336
   timestamp: 1734614675610
+- conda: https://prefix.dev/conda-forge/noarch/sphinx-reredirects-1.0.0-pyhd8ed1ab_0.conda
+  sha256: 960b4459f898fb3115099b89be53dfd5903d4a7572ca0cc4dd8fafdd966b5bf9
+  md5: 38f2e4c88b88a2a636fd72184a3ca8d8
+  depends:
+  - python >=3.11
+  - sphinx >=7.4
+  license: MIT
+  license_family: MIT
+  size: 12679
+  timestamp: 1748852791643
 - conda: https://prefix.dev/conda-forge/noarch/sphinx-simplepdf-1.6.0-pyh29332c3_2.conda
   sha256: 07670170f40de1c9d2371fafe5b526e24fc510a4d713be5aa047d9dfc0fc5e18
   md5: 05448fb057f71bb6196fe6b1be874328
diff --git a/pixi.toml b/pixi.toml
index 954e6f04..e7b10e79 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -43,6 +43,7 @@ anypytools = ">=1.13.1,<2"
 scipy = ">=1.15.2,<2"
 ipywidgets = ">=8.1.5,<9"
 pydata-sphinx-theme = ">=0.15.4,<0.16"
+sphinx-reredirects = ">=1.0.0,<2"
 
 
 [feature.test.target.win-64.dependencies]