This is a fan duct to keep your E3D v6 hotend "cold". I did not found any design that I've liked, than I decided to make one myself.
Just print it, I recommend it to be printed standing up, not with the fan side down. This will make it not break when you put in the hotend.
Category: 3D Printer Accessories
The author marked this model as their own original creation. Imported from Thingiverse.