Never done meth but every time I had a breakthrough on salvia it was like that. Everything had infinite layers expanding in different directions. I wasn't an individual but like a conduit which all these realities passed through, or like the spine of a book holding it all together while the pages turned over me, beyond my control. All of reality became like a machine and I could see little beings moving everything around, hiding in between the layers, keeping it all running the way it's supposed to run.