Makerbot Master spool
thingiverse
Print out that document two times and fetch me my 3D printer's cartridge supply.
Download Model from thingiverse
With this file you will be able to print Makerbot Master spool 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 Makerbot Master spool.