Prusa i3 Mk2S print fan duct/nozzle

A fan duct that spits out the air both from the sides and from the front. The "arms" that ducts air to the sides are made to immitate a flow-optimized design with large curves and an internal rib to guide the air but no CFD analysis has been done to prove the design.

Made to be printed upright with the side where the screw is inserted facing down. The uploaded version has a few more vertical supports for the "arms" than shown in the picture to prevent sagging of overhanging. Because it is so