Duplo Technic Worm Gears

Duplo Technic worm gears in different sizes. Made by abusive OpenSCAD remixing of the Lego Technic worm gear by reformy.

Official part recreated:
* [31625 LEGO DACTA SCREW](https://brickset.com/parts/design-31625)

[All Duplo Technic parts.](https://www.thingiverse.com/tag:duplo_technic)