Factorissimo adds factory buildings to Factorio. Place them down, walk in, build your factories inside!
Mods introducing new content into the game.
How many surfaces can you create and is it possible to delete the surfaces that are no longer used?
AFAIK How many?: you can set this, see settings delete? No if you want only 1 surface use the notnotmelon fork, this also seems to be the successor
