Various Pool Return Jet Nozzles
thingiverse
It wont let me link it but this is a remix of this design. https://www.thingiverse.com/thing:1645344 All I did was resize it to fit my return jets and then made a few custom shapes. The Half Moon ended up being my favorite of them all.
Download Model from thingiverse
With this file you will be able to print Various Pool Return Jet Nozzles 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 Various Pool Return Jet Nozzles.