CR-10S Filament guide system

Everything (3/8" rod, 608 bearing, filament roller guide) is press fit into the printed/created parts. I used an aluminum 3/8" rod from Home Depot, but any metal/alloy 3/8" rod will work fine. The pulley fits onto the rod with some tightness which allows you to adjust it to the proper height so the extruder is pulling filament at the correct angle. For the spool holder above the printer I used the TUSH Ultimate spool holder design and cut a 2x4 and piece of 3/4" plywood to hold it. Through th