I designed a universal filament spool roller that would accommodate all sizes of spools, (1 kg ...2 kg) regardless of manufacturer.
I wad inspired by dintid's excellent design, but his won't work with my printer set up
This is designed to use on all sizes of aluminum extrusions. Try to support it like I have in the photos, but I think it will work in many different configurations
I was surprised how well it actually worked, even on heavier 2 kg rolls.
Easy to change spools.
I have included files for a single color model and for a dual extrusion model. ( I went a little crazy testing the dual extruder I designed for my printer ).
For each assembly
2 x 625zz berings
1 x m5 25mm cap screw (or regular screw), nut, and washer
1 x m4 25mm screw, square nut, and washer