Supports: Nema 11, 14, 17, 23 and 34.
Up to 4 stackable stages of gear reduction. Example: one stage: 1:5, two stages: 1:25, three stages: 1:125 and four stages: 1:625
Required Openscad libraries, check thank list below.
--- Many thanks to Revar Desmera, the creator of the Openscad BOSL library - https://github.com/revarbat/BOSL
--- As well as to Trinary Logic for the Public Domain Involute Parameterized Gears: Powered Up library- https://www.thingiverse.com/thing:2854963
Planetary Gear Simulator: http://www.thecatalystis.com/gears/
Guide:
The author hasn't provided the model origin yet.