In preparation for the JavaOne 2014 Session my 7″ touch screen from Chalk-Elec finally found a new home.
I bought a 1 mm sheet of aluminium and treated it with my jig saw and a rasp and folded a triangle stand for the screen. Basically there would be room enough for e.g. a Rapsberry Pi and it also stand touching the display:

Some anti slip pads on the button side

The Sketch