Nix puts images together in a way that there shouldn't be any overwriting, only additions. If your layers are all additions without any overwriting then the or

Nix puts images together in a way that there shouldn't be any overwriting, only additions. If your layers are all additions without any overwriting then the order would be unimportant. There could be some edge cases I'm not aware of, but from what I know, it should be all additions.