It would be much easier to build with a direction locker for pipes such as belts.
When you build and keep building belts, the direction is locked (horizontal or vertical).
It would be much easier to have the same for pipes.

And underground pipe should be placed when you try to build onto an obstacle such as when you try to build onto an obstacles with belts, that build automatically an underground belt.

Environment :
Game version: 2.0.17 (build 80319 expansion, win64) from STEAM
OS version: Windows 11 Professional (23H2)
Hardware: AMD Ryzen 5 5600X 6-Core, NVIDIA Geforce 3060 RTX, 32GB RAM

Description :
When no item is selected but a quality is selected, you can click on the check and finish the ...