Anet A6 Adjustable Fan

UPDATE: I have made the top duct a little smaller so that it fits better and is truly adjustable without post processing. This is based on the feedback that I got from a couple of people. Please also see my semi-circular fan which should be an upgrade to this fan.

This is a remake of the great work of JohnnyTheOne. It is not as well finished as his, with those sexy round curves. I made a remake of his fan with the focus on centering the ring on the printer's nozzle. I wanted the air flo