Filament spool hub
thingiverse
This easy-to-implement solution centers the filament spool perfectly, making it rotate smoothly without any need for bearings.
Download Model from thingiverse
With this file you will be able to print Filament spool hub 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 spool hub.