I got sick of my AC vent pumping air into the bottom of my mattress. I designed this to change the direction of the air, to shoot out at a 90 degree angle. I have planned this to attach a 4" vent tube, which will bring the air out to the side of the bed.

Print two, so it can shoot out each direction. If you only print one, there will be no pressure to send air through the tube.

I designed this to hold some little magnets I had (round, 12 mm diameter x 2 mm thick). The magnets are supposed to hold the printed parts onto the vent cover, and also to hold both printed pieces together. The magnets will probably not cut it, and an update will eventually help it hold better to the vent cover. So will duct tape.

AC Tubing: https://www.amazon.com/dp/B07WRDTX4C?ref=ppx_pop_mob_ap_share

Generic vent cover for 12"x4" hole in the floor: https://www.amazon.com/gp/product/B00188C1HS/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1