Replacement of "Z Axis Upper Holder" for SunHokey Prusa I3 3D Printer

The SunHokey Prusa i3 is has his frame in acrilic and it's so fragile to keep somethings hold and fixed so, one of my Upper Z Axis Holder broke few months ago... and after a few atemps in Autocad and SolidWorks i can make his replacement. it has the same thickness and works like the orginal, on both sides. I expect this piece can work for you too.

I uploaded:
Autocad 2015 File (2D)
SolidWorks File (3D)
Just To Print STL File (I use 40% infill in Repetier Host)

PD: All this time i hav