Knob
thingiverse
An update suggests visiting http://www.thingiverse.com/thing:54024 in the customizer for dimension customization. This knob is slightly tapered, featuring a top divot for enamel paint application to differentiate colors on multi-knob devices. The shaft hole measures 5.9mm diameter and 5mm deep, with an optional M3 set-screw side hole. After printing, paint if desired, insert the set-screw if needed.
Download Model from thingiverse
With this file you will be able to print 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 Knob.