I created this so I could use the rollers in my filament dry box. Print one each of the plates along with two of the “washers”. Sandwich in 4 standard 608 bearings and friction fit togther. Place the washers on the completely flat side of the center plate.
The original model allows for M3 screws and nuts, but I have not found them to be necessary.
If you're interested the other parts I used for my filament dry box:
The author remixed this model.
This remix creates a “double roller” version allowing two spools to easily sit side-by-side.