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Gear Bearing Fidget Spinner 齿轮轴承指尖陀螺
Gear Bearing Fidget Spinner
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by zytaziouz, published

This is a remix of Emmett's gear bearing, turning it into a full fledged fidget spinner.  To get it to print on my old makerbot I had to raise the tolerance clear up to .3 (full specs below if you want to change around the bearings, and if I get requests I will upload other tolerances/clearances.  At .3 the gears kind of droop and look like they might fall out, but so far so good.

Bearing specifications:
Diameter:      25.4
Thickness:     11
Tol Clearance:  .3
Num of Planets:    6
Num of Teeth:       5
Width of hex:   4.1

To align different bearings put them in the following X/Y coordinates:

      0,   0
      0,  24.1

20.871, -12.05
-20.871,-12.05