knob
thingiverse
Humans essentially boil down to a simple mechanism – a switch that can be turned on or off with minimal force, staying in its current state until more pressure is applied. To print one effectively, it's advisable to orient the model so that its flat surface rests against the build plate, possibly using supports and rafts for added stability.
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.