Thingiverse
Optical Spinner
von Athruz
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This is a fidget spinner of course.... the center uses 2 standard 608z skateboard bearings or similar (22 mm x 7 mm) stacked back to back. Used an old pencil drawing as inspiration that typically keeps me occupied when i sit and doodle; and has for many years. Most likely picked the shape up from a old math class eons ago.
Hope you enjoy, hard let me know if I screwed it up anywhere my eyes hurt after staring at it for a while!
Version 1 has more faces than version 2; also version one the bearings sit outside the frame intentionally.
Version 4- added some extra bearings for weight and longer spinning - same size as the others 7mm x 22mm. If you print it standing up it yields good results with a raft and supports. Might have to clean inside the bearing housing a bit or scale it up to 101% depending on your printer. It's a bit delicate when its done so use caution when installing bearings.
Hope you enjoy, hard let me know if I screwed it up anywhere my eyes hurt after staring at it for a while!
Version 1 has more faces than version 2; also version one the bearings sit outside the frame intentionally.
Version 4- added some extra bearings for weight and longer spinning - same size as the others 7mm x 22mm. If you print it standing up it yields good results with a raft and supports. Might have to clean inside the bearing housing a bit or scale it up to 101% depending on your printer. It's a bit delicate when its done so use caution when installing bearings.
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