I was teaching my daughter about friction and designed these to help here get a better feel for the concept. By adjusting the number and height of the teeth you can make the surface rougher or smoother.
| friction_10t_2h.stl | 11.5KB | |
| friction_6t_2h.stl | 7.9KB | |
| friction_6t_5h.stl | 7.7KB | |
| Friction_Manipulable_-_v1.scad | 660.0B |
