MR3DP - Mostly Routed 3D Printer - OpenBuilds Style Wheels On Resin Rails
CAD file/info at: https://www.thingiverse.com/thing:396...
Low unique part count and minimal 3D printer specific parts. No zip ties, 3D printed parts (except display housing), flexible extrusions, or junk Chinese linear bearings, rods, lead screws, or (fake) AB nuts.