Openbeam 15x15 Display clip for dual MAX7219 module

A clip for a dual MAX7219 based 16x8 display which can be commonly found on eBay (in versions ranging from one to eight modules in a row, which can be snapped at each module). I'm using it for displaying the percentage of the SD card print. I have hacked the Marlin firmware slightly to handle the display by adding some of my own code to print numbers/symbols.

It is designed to just clip into the openbeam frame and then hold the display module tightly.