Scalable Y Carriage for Any Printer

EDIT: 2-12-2020: So the original design needs overhauled. I had printed this before I actually tried to re-assemble the printer on a new 2020 extrusion frame. Unfortunately the rods aren't far enough away from the underside of this to clear the frame. Basically the bearing holes need to be offset at least 5-10mm lower so it can clear. I redesigned this not too long ago, but I didn't like how it looked so I'll probably start from scratch as I also want to make the base larger so there's less leve