Yet another proximity sensor mount

I designed this for my [Mamba3D](http://www.mamba3d.com/) 3d-printer and it's done in [OpenSCAD](http://www.openscad.org/) with all parameter defined up front, so you probably can modify this easily to something else. I wrote a blogpost on how i got this to work on my 3dprinter:
http://www.oiepoie.nl/2015/09/19/auto-tramming-or-leveling-for-a-mamba3d-3dprinter/

The OpenSCAD program is a little messy, but i will put it up for download so anyone can adopt it to it's own needs.

The design