Garden hose couplings of various types. They consist of two prints and are adapted so that different sizes can be combined with each other. I made small guide pins for easy centering.
The joint is glued with Loctite 406

Material: PETG, ABS, PC Blend Carbon Fiber. ( it has worked best for me so far PC Blend )

Resolution: 0,15

Perimetr: 3

Supports: No

Infill: 0,25

Rafts: No