Cycloidal Drive

Cycloid drive implementation in openscad. It supports a openSCAD animation. The construction method was based on this web page:
https://www.tec-science.com/mechanical-power-transmission/cycloidal-drive-speed-reducer-gear/construction-of-the-cycloidal-disc/

I have also included a file that shows an example of a 2 stage cycloidal gear set.