Reverse Z Brace for Duplicator I3 Plus

Used and loved the Z Brace by spool3d_canada, but found that once I started using an enclosure the Z Braces began to get in the way. Following the lead of FilamentCorner's z Brace and z Extensions (Z-Kit) http://www.thingiverse.com/thing:2012743, I decided to make a hybrid design that moved the braces to the back of the printer so as to be out of the way.

All of this is based on AzzA's original work which can be found here http://www.thingiverse.com/thing:1444979.

The major differences of