Tension knob for 1/4" nut
thingiverse
Complementing the spool holder, this knob is designed specifically for use with a 2.5-inch, 1/4-inch carriage bolt.
Download Model from thingiverse
With this file you will be able to print Tension knob for 1/4" nut 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 Tension knob for 1/4" nut.