Planetary Fidget Spinner

As a mechanical engineering student, I thought it'd be interesting to try to make a fidget spinner which uses planetary style gears, so here you go! It can be spun conventionally like a fidget spinner, or you can hold the rest still and spin the gears! Or roll it on your back for a back scratcher, etc. See print instructions below. The design uses tight tolerances and the actual gear involute profile, so it needs to be printed correctly to work.

1. Make sure you print each gear by itself if y