3D printed gearboxes are great for experimental designs, but due to roughness and inaccuracies in the printed surfaces, they can wear quickly and be rather noisy. As a possible alternative, [Resetman] ...

This 3D printed planetary gear fidget spinner is a fascinating mechanical design that seems like it could spin forever. The intricate gear system moves smoothly, creating a satisfying motion that’s ...

Anyone who has ever snapped a chain or a crank knows how much torque a bicycle’s power train has to absorb on a daily basis; it’s really more than one might naively expect. For that reason, [Well Done ...

This awesome 3D printed RC car chassis switches to GPM differentials with hardened steel parts, reducing bearing race wear in printed housings ...