MJ1200 Aquarium Vacuum

Using the awesome Customizable Vacuum Tool by Zivbot, I made a few vacuum nozzles for a MJ1200 pump. I have a bare-bottom tank and this works great for cleaning off my tank bottom and rocks. I just connected a 1/2 inch hose and routed it to my filter socks. Using his tool you can customize any nozzle for any size pump. I used OpenScad to flex the parameters to work for this pump. I've included the .stl files for the 2 nozzles I made. I printed this at .1mm resolution with a raft but no sup