Printrbot LC part cooling fan mount

After doing a lot of reading and a bit of testing this fan mount was the best solution I have yet found for the Printrbot LC.

I tried the http://www.thingiverse.com/thing:21462 fan mount, but it acted as a shim to raise the extruder. I had to compensate my lowering the z axis so low that it hit the hold downs for the glass. I ended up losing almost 3 inches on the Y axis. No good. I tested the part to see how it did at cooling. It cooled really well, but noted that I lost almost 15 deg