A 3D printed Cycloid Gearbox with two rotors (and suggested improvements)

I'm putting together a 2 stage 20:1 Cycloid Gearbox that's designed in Fusion360 and 3D printed on a Prusa Mini.  The motor is a NEMA17 with about 30Ncm torque.  As I go I'm explaining some design features and areas to improve.  I hope this is fun and educational for you.  If you find this useful, please caress that like button and show it to a friend.

Here is the Thingiverse file: https://www.thingiverse.com/thing:460...

I try to make these gearboxes because I have yet to find someone that can make the gearbox I want.  If you are that someone, ping me.

Mad love for @Levi Janssen and his video about cycloid design in Fusion360: How to Design a Cycloidal Disk in Fus... I don't remember who first suggested to me to use the mounting screws in this way, but to you I say thank you!  Very interesting!

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