Undersea data cables for your red and green circuit signals.
Map generation and terrain modification.
Things related to oil and other fluids.
Entities which interact with the circuit network.
Dear Quezler,
maybe ask Hurricane046 for some sprites: https://mods.factorio.com/user/Hurricane046 Here you'll find his free sprites for download: https://shorturl.at/AFcDm
Sincerely
Leon
ah yeah I've heard of him, wouldn't want to bother him with a mod this important th o:D
well, Kirazy pulished his "Artisanal Reskins: Bob's Mods" mod (https://mods.factorio.com/mod/reskins-bobs) under MIT license. So, as long as you put a copy of this license in your mod, you are free to use parts of the included art in yours. And as a possible source for other mods, you might find some interesting stuff here: https://www.reddit.com/r/factorio/comments/1dapgau/900_free_itemfluidtech_icons_for_use_in_mods/