Contra-Rotating Turbine Fidget Spinner
Free

This contra-rotating spinner will create interesting geometric patterns and is just plain fun to play with. It is a fast print, with no support required, and a great conversation starter. 

Print Settings:

V2. STL and V2-Mirror.STl: Infill 30%, layer height 0.2mm, 2 shells

Center Support: Infill 50%. layer height 0.2mm, 3 shells (in case it needs to be drilled out)

Bill of Materials

  • 1x V2.STL
  • 1x V2-mirror.STL
  • 1x Center Support
  • 1x 608 Bearing (I used this one)
  • 1x 8-32 set screw, 1" long
  • 2x 8-32 threaded brass ball (I used these)

I pressed in the bearing using a C-clamp with moderate effort, though you may need to sand or add a dab of glue if your printer isn't that accurate dimensionally. 

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Contra-Rotating Turbine Fidget Spinner

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Creative Commons Attribution

You can distribute, remix, adapt, and build upon the material in any medium or format, as long as attribution is given to the creator.

CC BY Licensed under CC BY
Files Included

3 downloadable files:

View 3D
Center_Support.STL
STL Model
199.7 KB
File size
View 3D
V2-Mirror.STL
STL Model
63.4 KB
File size
View 3D
V2.STL
STL Model
63.4 KB
File size
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