Rotating Bowling Ball Cup

by 3dRay, published

Rotating Bowling Ball Cup by 3dRay Sep 30, 2016

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Instruction Video:


  • The small hole in the ball cup along with the four small holes in the base provide for a pin to be placed through the holes providing stationary use of the ball cup.
  • If the nut seems too tight, scale it by about 1.008% in Cura or your slicing software when generating the GCODE.
  • There is only one ball bearing spacer defined in the .stl file. You should flip the spacer over on its flat side and create 7 copies in Cura prior to generating the GCODE.
  • The Base, Ball Cup and Ball Bearing Spacers should be printed with 30% infill. All other components should be printed at 100% infill.

Links to the site to purchase the skate and ball bearings:


You could also attach a base plate to the top and use it as a "Lazy Susan"

Comments welcome and appreciated.

Print Settings

Printer Brand:



Ultimaker 2


Assembly Instructions

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