Filament holder, light and easy to adjust

Very lightweight filamentholder, only 20g filament is required. Diameter roll tested from 200mm up to 300mm. Width from 30mm to 115mm easy to adjust. You need four bearings 606Z and four metric countersink screws M3x10. thread cutter is M3 is helpful but you can heat up screw before mounting a bit too cut thread by screw at self.