After designing and printing the insert (See https://www.printables.com/model/211394-3d-print-of-an-insert-for-garden-hose-connection) I was needing a nut that fit my 16mm diameter hose. I had only for 20mm and it was too loose.
For the design I had to adapt the thread and have enough gap to screw and unscrew easily the tap. The thread is standard ISO pipe thread 26.441mm diameter (20/27 or ¾") and 1.814 pitch
I printed it upside down (Thread on top) to avoid using support. I didn't use brim and part was sticking to the bed without issue till the end.
Printed in Prusament PETG Jet Black with standard PrusaSlicer parameters for 0.20mm layer height
On top of .stl and .3mf files I uploaded Fusion 360 .f3d one so you can modify the design and adapt it to your needs
As usual, feedback and comments (and for sure "likes") will be always welcome. Feel free to post nice pictures of your makes
Enjoy
If you like this model, take a look also at my other designs
Edit 30/05
The tap (missing part to complete the connector set) is now available (See https://www.printables.com/model/216693-3d-print-of-a-tap-for-garden-hose-connection)
Update the .f3d Fusion 360 file with the complete connection set
The author marked this model as their own original creation.