7 Ball Bearing Keychain

Added a hole for a keychain ring.
Great model to print in high resolution.
Great gift for your friends!
External diameter 30mm , 8.4mm high. Scale it as you wish
The white one in the picture was scaled to 25mm external

Sliced in Simplify 3D
Support required
Layer 0.15mm
Nozzle 0.3mm
Print time: ~0h40min
Minibot 120 3D Printer from Brazil

10/13/16 - UPDATE - Keychain_Axis_8mm.STL
Alternatively, I designed an 8mm axis for fixing the keychain ring. This way you can print a regular