3/4" PVC 90° Corner 3-Way Tee/Connector

3/4" inch corner. Hard to find in stores. Prints faster than an outside-style coupler and seems to work well with moderate infill.
Not majorly changed from jjpowelly's design but I decided there was no reason to bug them to make it!
Inspired by tonyyoungblood's designs in that I want more PVC couplers available, but specifically I'll work on 3/4" so I don't have to scale things. 1/2" is too flimsy!

Wish list: I'd like to radius the square corner. Making each arm have more sides would be n