Garden net pipe joints

These are a collection of connections to join pipes to make garden net supports using press cleaning pipes from a printing press.
I have a supply of pipes used at work and collected them before being dumped I needed a way to join them up.

After a number of designs I came up with a pintable design which could be used, I printed in both PLA and ABS and printed at infil from 70% to 90% to make them very strong. I printed PLA on glass no raft and infil set to 70% using strong glue sticks to hold i