This is a customizable OpenSCAD model of a ball bearing set. Included is a sample .STL file.
Plastic 3-D printed ball bearings may be of limited usefulness, but the idea of printing in place is intriguing to me. The design was a fun exercise in OpenSCAD.
The rendering was created in Blender.
ball_bearings.scad | 1.4KB | |
ball_bearings_scad.stl | 6.1MB |