Flat Mount Full Graphic Smart Controller Case

A case that can be printed in 3 parts (plus a stop button) allowing convenient mounting of the controller on a flat surface. There are many cases for this controller, but none that did exactly what I wanted. I got inspiration from https://www.thingiverse.com/thing:1562144 but it is designed to be picked up rather than attached to a surface.

I also used (and have included) the STL from http://www.thingiverse.com/thing:302196 as the basis for designing the case.

UPDATE: After printing and as