120mm Room Duct

Needed to allow for air movement between a room and an adjacent closet that housed a few servers. this 120mm wide print spans the wall space and has a built-in space for a standard120mm case fan. Admittedly this is very much a nitch item, you have to have a very specific need for this to be of use to you. However, if you do use it, search Thingiverse for "120mm Room Duct Vent" for the end cap that goes with it.