Star nut housing (for printer boards)

I made this nut housing to be able to mount a 50mm fan in front of my extruder without hitting the original (quite tall) printerboard screws. I guess it can be used anywhere where a very thin profile nut housing is needed, e.g. as a replacement for a winged nut.

You can naturally scale the very simple design to fit any nut. Out of the box it is scaled for the UNC half nuts used in my Printrbot 1302. Should fit other machines using half nuts like the LC+ etc.

This nut housing provides a