Knobs
thingiverse
After printing you can press DIN934 nuts into the knobs. For the star knobs there are small round plates, which can also be pressed in.
Download Model from thingiverse
With this file you will be able to print Knobs 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 Knobs.