QU-BD OneUp/TwoUp - Extruder and X-Axis Redesign

This replaces the X-Axis Belt driven system with a Lead Screw Driven System. All the parts are untested as of this moment.

Note that a Hole for the M4x20mm screw will need to be drilled in the Gantry. I will make some detailed instructions when I'm satisfied that this design works.

Extra parts to purchase:
(4) M3 x 8mm screws
(2) M3 x 12mm Screws
(2) M3 x 35mm Socket Head Screws (required only for Single Body Extruder)
(8) M3 Hex Nuts
(1) M4 x 20mm Screw
(1) M4 Hex Nut
(1)