Wheel engine thing
thingiverse
Print In Place Rotate forward and back a few minutes to wear in the gear teeth to free up, add a rubber band as a tire and enjoy! Diameter: 100mm/4inch thickness: 12mm/0.5inch Material weight at 15% infill: 52.57 g/1.85oz I printed mine with PLA 15% infill 2 layer walls There are small parts so bed adhesion is critical you might have to print on a raft Edit: added a model with a tighter tolerance between the body and the ring for people that are better at 3d printing than me update: Aug 28, 2023, added fusion 360 file (warning its a mess)
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