E3D-hotend V5

I couldn't find a model of an E3D-Hotendk V5 here, so i quickly made one with the measurements from their drawings:

http://files.e3d-online.com/Drawings/E3D_Heat_Sink.jpg

The openSCAD-script features a variable named "tol" which makes the blades thicker and wider and the gaps smaller. So you can use this to set the tolerance. This is useful if you want to design a joint like this:
http://www.thingiverse.com/thing:163856

Also it features a term "res" for resolution.

The .stl has zer