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Mouse Clutch Fidget Toy — image 1
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Mouse Clutch Fidget Toy

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A fidget toy that uses a one-way "mouse" clutch.

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Creative Commons — Attribution — Noncommercial

This is a fidget toy version of a one-way clutch. It's designed to be unenclosed so the clutch mechanism is visible. 

Warning: this can be super annoying.

In addition to the printable parts, you'll need:

  • a short length of 3mm rod for the main axle (about 60mm)
  • 2x M3 set screws (length doesn't really matter, I used 3mm)

You might be able to get away without the set screws by press fitting the parts to the axle - it'll depend on your printer settings.  If too loose, perhaps try using slicer hole compensation or scale it down a bit. Or use slightly larger axle rod (eg: 1/8" rod is just over 3mm).

The pawls and sync ring are print-in-place, so you'll need a well calibrated printed.

Reddit discussions here:

One-Way Clutch v2 (still with mice) : r/functionalprint

One way clutch (with mice) : r/functionalprint

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