Natural Ergonomic Logitech M570 Trackball Stand

I was spending way to much time at my computer and my trackball arm was starting to ache at night because of it. I decided to create a device to angle my trackball so my arm could be in a more natural position while I "moused about". This is the result. The Logitech M570 trackball has a few underside features that allow it to be held in place from below. The battery cover plate must be removed to insert the unit into the holder. I also carved out a hole to store the plate so it doesn't get