Spool Holder for CR-10(s)

This is a design I spun up on my CR-10s for my CR-10s to reduce the friction required when feeding filament, especially at higher speeds. It is designed to mount on top of your printer, and requires minimal parts:

2 x 8mm rods or bolts (needs to be a minimum of 85mm, I used 4 inch bolts)
2 x 8mm nuts
4 x F608Z bearings
2 x 3mm bolts
2 x 3mm t-nuts

You will need to print a roller for each side. I recommend printing with a higher infill percentage, and a strong material such as PLA+ or P