Adjustable filament holder

This is an adjusable holder for filament roles.
It has been designed for 40mm aluminum profile.
It can be adjusted for different widths of Filament roles as well as aluminum profiles.

Drive two M3x35 skrews in the "Roller" to use them as axles.

Additional tips:
To prevent the structure from sliding down two things can be done:
1. Use slot-nuts and skrews with the given holes in the "Nuthalter".
2. The side of the "Nuthalter" witch is in contact to the aluminum, can be glue-brushed with a rubber-like adhesive.