About this 3D model
Just another design of spool roller I am using. The PVC pipe makes it easier to fit different size of rolls. Use with: 22mm PVC pipe x 2 1680HH bearing x 4 (or any bearing /w 8mm hole can fit inside the PVC pipe) M8 screw rod x 2 (20mm longer than the PVC pipe) M8 nut x8