Prism Mendel filament spool holder

a filament spool holder for Prism Mendel or other printers with extrusion profile frames. You will need:

printed parts:
2 standard prusa bar clamps
2 Bar mount for spool holder
2 rod holder top
2 rod holder bottom
2 spool holder cones

non printed parts:
M8 threaded rod, 4x300mm, 1x400mm
22 M8 Nuts
21 M8 Washers
4 608zz Bearings
Screws and T-nuts compatible with your extrusion