Gear Fidget Spinner – Involute Teeth, Print-in-Place, No Bearings STL

An industrial-look gear spinner with real involute teeth (module 2.5, 28 teeth) and six lightening holes. 75 x 75 x 9 mm. HOW IT WORKS: - Print-in-place: the hub and the ring print together, already assembled - no bearings, no glue, no supports. - 45-degree V-joint with a 0.42 mm gap; twist firmly once after printing to free it. - Print flat in PLA or PETG, 0.2 mm layers. If the parts fuse, enable elephant-foot compensation in your slicer. GOOD TO KNOW: - Digital checks: watertight meshes, clea…

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