I needed the 20mm V-Slot Gantry Plate as a OpenSCAD file for a thing I'm building, but since I couldn't find it I had to code it myself.
It's my first OpenSCAD code ever, so please let me know if I have missed something.
Hope it can help someone else.
20mm V-Slot Gantry Plate, OpenSCAD 2015-09-11
OpenSCAD version of the 20mm V-Slot Gantry Plate