Bolt for DIY Masterspool
thingiverse
My printer isn't equipped to print a large enough masterspool for filament refill, so I've come up with an alternative solution - attaching another bolt and nut to a spool that's been cut in half.
Download Model from thingiverse
With this file you will be able to print Bolt for DIY Masterspool 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 Bolt for DIY Masterspool.