PRUSA i3 Plate Adjust & Support Brace - Self Aligning

UPDATE 13-MAY-2016: added Lower brace support with 10mm hole, for using on PRUSA machines with M10 threaded rods. Use M8 threaded rods for the brace supports. Also revised the upper support, it now is stronger under the hex adjuster, and has a larger hex size ... should allow more adjust-ability without risk of breakage.

Adjust perpendicularity of PRUSA i3 Aluminum plate to your print bed, and brace the plate too!!! Provided there is a self-aligning & self assembled joint system for supporti