Ord Bot Z-Axis Conversion to Belt Drive

I had problems with my ord bot lead screws causing my motors to grind and get out of sync. I had experience with a belt drive delta bot so I wanted to make the switch to make my z-axis belt drive. It's working pretty smooth. The only real drawback is that the gantry will fall once the motors are un-powered so I still need to design flip out rest for it at the top.

I've posted the stl files as well as the scad files. My motors actually atach to aluminum angle with holes meant for the origin