CR10 Control Box Re-Imagined, Optional RPi mount

This is a work in progress project: far from finished at this point.
I was tired of my CR10 control box falling over when a spool was loaded. Many mornings I would walk in to find the control box tipped over and the spool all bound up. So I decided to re-invent the control box and move the center of gravity of the spool to be lower and centered between the display panel (front tower) and the power supply (rear tower), while the control board is below both and provides a front side access for t