m6 knob
thingiverse
I'm working on the first version of my M6 nut or bolt knob. It has a loose fit, and I can easily swap it out for a tighter one if needed.
Download Model from thingiverse
With this file you will be able to print m6 knob 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 m6 knob.