I measured around the outside of the pipe then adjusted the template to that size, only the width not the length, then printed, worked a treat for me. May just add that some electrical pipe can me slightly smaller then pvc water pipe
Ahh someone else bitten by the building bug, LOL, T-21 I found to be the easiest of them all and you can get really creative. Good luck with the builds and keep up the good work
S
I am using auto connectors on my wiring in case I want to swap anything later, crimping is ok but to make sure the wire doesn't pop out it is best to solder