Dual Pipe Fan Duct for Anycubic 4Max

thingiverse

First things first, this is a mix of popular Anet A8 Fan Duct Spaceship edition V3 made by paul0. To make it work I printed four versions and measured over and over again. There's no room to add a decent fan duct on the Anycubic 4Max, everything gets in the way: the belt, X rods, Y rods, Y carriage, and X carriage. I don't want to use zip ties or weird-looking constructions. A separator right after the fan in the duct is necessary; otherwise, air will only go through the front pipe. I had to heavily modify a lot to use original fan duct mounting points and get it fit there. The OEM one was also leaking air just where the fan connects to the duct. In my model you can push the fan on the duct and then use the original bolt and nuts to mount the fan on the duct. I had to modify the pipes in paul0's model to center the blowers with the nozzle and get it a little higher from the bed. So, I apologize if you see weird shapes or flaws; this is all I can put out with Tinkercad. When printing, use supports with "Touching Build Plate" option. If your printer suffers from overhanging at the fan opening where the fan gets mounted, add your own supports in Cura. If you don't know how to add your own supports, search for "Adding Manual Support in Cura" on Youtube.