Wing fan attachment for E3D V6

The design
UPDATE:
After getting some comments about the back lacking air vent for the airflow I've now redesigned the back so it has a hole for the air to pass through.

I read an article where they stated that blowing air over a wide area delivers prints with less warping than shrouds that concentrate the air. I've seen this type of "wing fan system" on another printer using another hotend so I thought I'd make one for the E3D V6. I haven't had time to test it fully but from what I've mana