Fan Duct and Wire Guide/Cover with switch to permanently mount laser on Overlord Pro

Updated 2/21/20116 - I am backing away from this - the cooling was too weak and the weight with the laser mounted was too great for the printer. To get good prints I had to slow it way down. I no longer have my laser permanently mounted - please take this into consideration before trying this....

This is loosely copied from http://www.thingiverse.com/thing:1017252 and https://tinkercad.com/things/8OpsRduVhCo. This is for the Overlord Pro to allow the mounting of the laser module permanent