Spool Roller for Folger Tech 2020 i3

I designed these to sit on top of a Folger Tech 2020 Prusa i3 printer, but it would probably work with any 2020 frame printer. It has been tested with spools 8.5 inches diameter down to 4.5 inches diameter. You can just drop the spool in the mount and feed the filament into the extruder, and you are ready to go. No fiddling with spindles, shafts, hubs or axles. It just sits securely cradled in the rollers, and rolls freely.

They are designed to slide left and right to accommodate different