Filament Holder Retainer
thingiverse
.32mm shim that prevents your spool from rolling off the roller when slightly oversized. the design should self center the spool right? But if you pull it too fast, pull it wrong or your filament roll is slightly oversized it doesn't sit properly and might even fall. This is a simple solution for said problem.
Download Model from thingiverse
With this file you will be able to print Filament Holder Retainer with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Filament Holder Retainer.