Second Z Mount for Tony_921 X Gantry

*Part of a incomplete hardware redesign*

This part is to be used in conjunction with Tony_921's "QUBD TwoUp : x-gantry replacement ( trial narrow version ), http://www.thingiverse.com/thing:1092420" to add a second Z-Axis lead screw that is mirrored from the one of the left side of the printer.

To properly use the part you must do the following.
1. Relocate Y Axis stepper to under the center of the build platform.
2. Print out mirrored versions of the stock Z-Stepper mount plates from QU