Single E3D Hot End for Geeetech Pro

Version two of this is located at: http://www.thingiverse.com/thing:2109545/#files

This is my take on an E3D V6 holder for my Geeetech Pro printer. My requirements were that it be rigid and have an intergrated 40mm fan. All the clip on fan housings I tried rattled, fell off or cracked during installation. This design is pretty crude, yet effective.

Changing from the stock MK8 extruder to this setup has allowed me to print twice as fast. (120mm/s) with good results.

I have included tw