Elecom Huge Trackball mouse ergonomic stand

I designed this for my Elecom 'Huge' trackball. I had previously used a couple other models I found here on thingiverse, but I either didn't like the angles they used, or just how high they lifted your arm off of the desk. I like the 20 degree one here.

Currently there are 20 and 30 degree STL files. I would recommend starting with the 20... because of how big this mouse is, the higher degrees don't feel good until you get to 40 + and then your hand is literally resting on the desk instead of