Welding Tips and Tricks

There's lots of new round and square tube joining, and transition template generators on blocklayer.
https://www.blocklayer.com/fab/round-tube/pie-cutseng Please let me know if they need editing, altering or fixing in any way, and any suggestions for new calculators.
Its particularly difficult (for me) to come up with suitable names for these joins, so if you have better ideas than what they are labeled now, I'm all ears.