I'm seeing this a little late, but I built one a few years ago and still use it regularly. Did you build one? Mine uses...
RAMPS 1.4 + generic Arduino Mega 2560
Some pre-made cables with mesh wrap from ebay or amazon, some custom with molex locking connectors at the carriage. Routed through the frame is the way to go!
Greg's wade reloaded extruder -
https://www.thingiverse.com/thing:18379e3d v5 hot end
Mk2b bed with glass and spring clips
I've printed 3mm PLA, ABS, and PETG from matterhackers, maker geeks, and hobbyking.