Adds some additional underground pipe-stuff.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Things related to oil and other fluids.
Can you make a left/right angle with an underground pipe?
Technically yes. But i have to draw 8 variations for them to end overground and 4 if they just connect 2 underground pipes. If my vacation and motivation overlap i may be able to do this but not before christmas, sry.
Great! Thanks