KNOBS
grabcad
The text provided highlights the availability of custom knobs, which come accompanied by .stl files for easy 3-D printing.
Download Model from grabcad
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.