Ktuner v2 light weight body

I was annoyed with how heavy the KTuner v2 system was. Just the metal case alone was 288g. This case only weights 55g which makes the whole system about 180g.

My design reuses the screws from the metal case. I've provided a few options for the case and back plate designs.

I suggest printing the parts with ASA filament or something UV and high heat tolerance.