Nema 17 Cycloidal drive:D
Cults3D
9 model
FreeCycloidal Drive
Thingiverse
Freecycloidal drive tootpaste squeezer
Printables
FreeCycloidal gear (15:1) for NEMA 17 Stepper motor
Thingiverse
FreeProgressing Cavity Pump (cycloidical)
Thingiverse
FreeNema 17 Cycloidal Gear box prototype
Thingiverse
FreeNEMA 17 - CycloidalDrive 9:1 Remix (no bearings)
Printables
FreeDupin Cyclide
Sketchfab
Free144:1 Differential Cyclodial
Thingiverse