An easy print on an Original Prusa i3 MK3+. Step files can be customized. Bearings may need to be “encouraged” to seat in the rollers, tapping with a small hammer will suffice. Screwing the roller together will be a little tight initially but should be less so with use.
0.2mm layer height
0.4mm nozzle
PLA
Supports may be required for bearing pockets
Default wall and infill settings worked well
608 roller bearings, 2 per roller
The author marked this model as their own original creation.