knob M3 and M4
thingiverse
A Fastener for Securely Holding M3 and M4 Nuts in Place. Insert the nut firmly into position, taking care to ensure it is centered. If necessary, a small amount of sealant may be applied to secure the nut tightly.
Download Model from thingiverse
With this file you will be able to print knob M3 and M4 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 knob M3 and M4.