Toroidal Fan Launcher | No Hardware | No Support

by macshaycreations

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3d print 3d printing functional mechanical gear gears gearbox transmission fan launcher satisfying

Launch spinning fans across the room with this 3-stage planetary gearbox powered launcher.
This fully 3D printed toy converts your hand crank input into serious rotational speed through a precision 3-stage planetary gearbox. Spin the handle and watch as the gears multiply your input into high-speed fan rotation that propels rings of air across the room.
Everything snaps together—no screws, no bolts, no hardware needed. Just print the parts and assemble. Pure mechanical fun powered by gear redu