"Mistral 2.1" Extruder Cooling Duct for e3d Titan Aero

I dislike the circular design of other fanducts and opted to modify the Mistral design by Leo_N to fit the aero.
Height reduced by 8mm and length increased by 10mm to fit Titan Aero

For use with the following fan holder:
https://www.thingiverse.com/thing:2367407