Triple Ring Fidget Spinner – Hub + 2 Nested Rings, Print-in-Place STL

A fidget disc with a hub and two nested rings that spin independently - three parts printed together, already assembled. 72 x 72 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: watertig…

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