Anet A8 hidden duct

These prints allowed me to mount the fan on the side and out of the way. Now I can see what I'm printing! And it created a mounting point for one of those cheap endoscopes so I can record what I'm doing.
My extruder fan setup is a little different because I accidently stuck a screw driver into the blades of the old one and it blew up. So I found another one laying around, and I modified it. I have included a fan without a mount and one with a mount that should work with a stock setup. I is designed to mount in between the fan and heat sink. Either way, be sure to support it with wire or the drawn mount, or it will sag from the exturder heat.
Also, it is a good idea to wrap your hot end with some "Ceramic Fiber Insulation Blanket Paper Sheet" from ebay. I found a sheet for under $2. It was left over from insulating the heated bed(I backed it with a piece of sheet metal).
Use "5mm 100ft BGA High Temperature Heat Resistant Polyimide Kapton Tape" from ebay to hold it in place for unde