Filament Reel Roller for Prusa i3 Steel

This is a set of filament reel rollers to fit a Prusa i3 steel. The roller will take reels from 200 mm diameter upward. The actual roller elements are cheap 608ZZ bearings.Only 4 parts require to be printed, the left hand and right hand frames and the two internal frames. Countersunk M3 bolts are used to clamp the roller to the top of the printer frame with the front part of the frame being cut away to allow full upward movement of the X carriage.