Flashforge dual extrusion air duct

This is my remix of vexeliu's dual extrusion air duct. Instead of having the right air duct shoot forward I have modified it to shoot air inwards. I would highly recommend using high melting filaments to produce this air duct. Since it will need to withstand heat from the heating blocks and the heated build plate. In my case I used esuns polycarbonate for my air duct. Installation is fairly easy to do. Just loosen the screws that are holding the cooling fan and remove the one screw that holds th