About this 3D model

It is simple roller for 0,5 kg filament spools. Outer diameter of inner hole in the spool - 67mm Hole for a rod diameter - 9mm (M8 threaded rod) Height of the roll - 60mm You can scale the Z height in Your slicing software. It will make the print be done faster. And You can use 2 thinner/lower height rolls only on the sides of the spool. You can customize for Your specific type of spool.