This a magnetic gear that uses cheap household magnets, bearings, and fasteners to work.
Assembly and Demonstration: https://www.youtube.com/watch?v=GbQCNUltI1g
Hardware to Assemble:
Magnetic gears have some unique advantages/disadvantages over regular gearing.
If you make it post a picture!
Crank_Arm.stl | 86.4KB | |
Crank_Handle.stl | 257.4KB | |
Input_Shaft.stl | 606.8KB | |
Magnetic_Gear_From_Prusa_Slicer.3mf | 287.3KB | |
Magnetic_Gear_G_Code.gcode | 14.5MB | |
Output_Shaft_8.stl | 88.5KB | |
Outside_Magnet_Ring.stl | 186.8KB |