Ultimaker keychain gearbox
Simple gearbox that fits on your key chainGadget
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Simple key chain gearbox based on Tony Buser's dissolvable support gearbox. To be printed with support material that is dissolvable, e.g. with an Ultimaker 3.
You can modify the tolerances and such by opening the SCAD file in OpenSCAD.
Important variables you can change are:
shell_radius = 25;
ring_radius = 2.1;
gear_height = 4.5;
gear_cutout_height = 6;
gear_z_gap = 0.5;
case_fillet_mm = 1;
Materials and methods
- Main material could be PLA, Nylon or CPE.
- Support material: PVA