M6 T Slot Nut

This is a metric M6 T Slot nut to be used in the Aluminium profile (30x30mm).
I was inspired by the original M4 T Slot nut by daGHIZmo:
http://www.thingiverse.com/thing:1061769

I needed a slightly bigger one for M6 nuts so I wrote a small OpenSCAD script to generate one.
Feel free to download and modify as you need.