Da Vinci Extruder Mounted Fan Duct

This is a duct for PLA-style cooling fan to be mounted on the back of the extruder stepper. Takes a 50mm fan. It directs the air under the stepper to point forwards towards the nozzle. v001 hangs too low to use with the stock heated bed, because it crashes into the bed screws. Use v002 if your printer is using the stock bed. v001 would be better and allow more air flow if you happen to have a flush bed.

It'll need some help printing the bridges. I had a fan inside my case and it did a great