Thin surfaces

Hi, thank you for sharing your great work! 
I have noticed an issue with thin structures. In some cases, especially if one of the three dimensions is much smaller than the others (e.g. a thin board, or similar thin objects(, HoloPart crashes with the error:
```
min(): Expected reduction dim 0 to have non-zero size.
```

Did you encountere this issue, and do you know why that happens?
Thanks