As it uses aluminium t-slot, you can route the wiring inside the frame and use some plastic channel to make it all nice and neat.
|Frame wiring - t-slot 30x30|
Opto wiring Z Axis
Opto wiring Y Axis
A Polycarbonate box will house all the electronics (RAMPS+) and flexi-wire fittings will allow all control cable and power access.
Almost all wired up, now for testing the electronics.
More updates soon.