I designed this spinner because I only had 1 balls bearing (608-RS) and a lot of little balls (15.4mm diameter, you can change it)!
It is cheaper than a normal spinner which uses 4 balls bearings.
Balls spinner 3D Print Model
I designed this spinner because I only had 1 balls bearing (608-RS) and a lot of little balls (15.4mm diameter, you can change it)!
It is cheaper than a normal spinner which uses 4 balls bearings.