Speed nut (écrou rapide)
thingiverse
To tighten the spool of filament on your printer, you'll need a fastener that fits snugly. A spring with a 5mm diameter will do the trick, and you can take an existing 8mm nut and split it down the middle to create the perfect fit.
Download Model from thingiverse
With this file you will be able to print Speed nut (écrou rapide) 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 Speed nut (écrou rapide).