Active Cooling Fan Duct for Flashforge (/Replicator1 / Duplicator 4)

This is a remix of http://www.thingiverse.com/thing:295317
I wanted to fit in a 60[mm] fan to have a similar airflow at lower RPM which results in lowered audible noise and lowered vibrations.
Do note that depending on your 'homing' settings this MIGHT hit your enclosure, so measure that if possible.
If there is a high amount of request I could also design a version for a 50[mm] fan.
Use these brackets: http://www.thingiverse.com/thing:350649
Check instructions for additional informati