Route your belts freely underground.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Got a crash when trying to use the vanilla upgrade planner to upgrade a underneathy on the beltlayer layer.
save: https://drive.google.com/file/d/1Dsr8tHN5j8Y_TxQiqxCsy9TLUb1cIDKm/view?usp=sharing log: https://gist.github.com/jarquafelmu/c505d5039a45faa92439c5e2cc3568b2
Fixed in v2.0.0.
