I really like the idea of the masterspool system by RichRap (https://www.thingiverse.com/thing:2769823) and I loved the filament saving version by dasfilament_de (https://www.thingiverse.com/thing:2791930)!
As I tried to print the "Little MasterSpool Roller" by tetradb (https://www.thingiverse.com/thing:2793238) and the Sticker version by raabi91 (https://www.thingiverse.com/thing:2808668) I found some errors in the stl files using Simplify3D.
Since I could not find any sourcefile I rebuilt and slightly modified the design in Fusion360 as an exercise.
I exported 200 and 206 mm roller diameter versions. I recomment the 206 mm version if your printer is large enough.
The holes to fix the filament are 2.5 mm in diameter for the 1.75 mm filament version and 3.50 mm in diameter for the 2.85 mm filament version.
The included clip needs to be printed 3 times and prevents the spoolholder from falling apart when filament is inserted ;-)
Feel free to modify my design using the Fusion360 file:
Printed without support using 20% infill and a layer height of 0.2 mm.
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