Fidget Clutch-Bearing

This clutch-style bearing is both a functional demonstration piece and a fun fidget toy! Designed to show how a one-way clutch mechanism works, it allows rotation in one direction while locking in the other—just like mechanisms used in tools, machinery, and engines. The internal clearances are intentionally tight, so it may take a bit of effort to free the center race after printing. Once loosened, it spins smoothly, offering both an educational look at mechanical design and a satisfying fidget experience. Features: Fully 3D printable, no supports required Demonstrates a working one-way clutch Tight tolerances for realistic mechanical feel Spins freely in one direction, locks in the other Great as a teaching aid or fidget toy Print in PLA or PETG, free the moving parts, and enjoy watching this simple yet fascinating mechanism come to life!