Plug for Garden Watersaver Diverter
thingiverse
Bit of a tight fit at 12.8mm but you can be sure it won't fall out. TPU highly recommended.
Download Model from thingiverse
With this file you will be able to print Plug for Garden Watersaver Diverter 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 Plug for Garden Watersaver Diverter.