Arduino Mega 2560 r3 bracket for Extrusions I-Type 5 slot - Vertical version

I created my "Arduino Mega 2560 r3 bracket for Extrusions I-Type 5 slot." at http://www.thingiverse.com/thing:989845 and originalle started designing this vertical version.

I went to horizontal version early in the designstage, but finished this one, as I bet some people would like it oriented like this.

Added Photos from my Horizontal Mount to show how the plastic-zipties Works - you do have to reorient them a tad though, but I'm sure you can figure it out.
There is no room to use actu