Filament roll holder

Filament roll holder

Filament roll holder is mounted on an aluminum profile 20x40 groove 5, and serves for feeding my 3D printer. Filament roll holder can take the rolls of different widths. The width of the roll is adjusted with the lengths of spacer bushes.
Mounted by 2 M5 screws.
Filament roll holder consists of:
1. Axle holder
2. 4 wheels
3. 2 steel axles, 90 mm long and 6 mm in diameter
4. 4 spacer bushes, 10x6 13 mm long
5. 4 O-rings, for the wheels fixation
Positions 1,2 and 4