This is a simple fidget toy that was created as part of a tutorial on the gears workbench in FreeCAD. Provided here for the viewers of the video.
If you'd like to view the tutorial to make this, the video is linked below.
https://youtu.be/mZXxBCEKu0Y
Ring_gear.stl | 734.8KB | |
small_gear.stl | 234.6KB |