water rocket nozzle
thingiverse
they changed the design of the bottle cap so you can't use parts from the hardware store to build a water rocket this nozzle is design to fit in to a hose connector that can be used as a release mechanism and design to be a nozzle . The nozzle will fit a standard bottle cap
Download Model from thingiverse
With this file you will be able to print water rocket nozzle with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on water rocket nozzle.