Hollow Spool Core
thingiverse
We're eager to test out a hollow spool, which could potentially offer some benefits over a traditional solid one.
Download Model from thingiverse
With this file you will be able to print Hollow Spool Core 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 Hollow Spool Core.