In low light, I have and do (usually a couple hours in).. my bedroom especially! I'll get masking on people, often Arabesque geometric patterns and sometimes these textures like someone's skin has rows and rows of pearls laid out on its surface. Sometimes I get these ornamental patterns on objects... it seems to mostly happen when there's a good amount of flat surface to begin with. White light seems to work the best, kept down low. Colored light, not so much.
I really think it has something to do with your brain's auto-complete function going a bit wacky when you're under the influence: my brain has always done that (example: when driving and looking at street signs from afar, I'll make out the letters partially and my brain will assume the rest... I'll see just enough and my mind will make the leap before I can perceive what is really there) so I'm not surprised that I get visuals like I do because my mind's alwys racing, trying to categorize what data comes in. This is kind of amusing: the last time I rolled, I got pissed off at one point because I saw a small hole at the big toe of my left stocking (not huge, but clear enough to see red polish sticking out from black hose) so I took them off. When I was getting dressed earlier that night, I was concerned that maybe my toenails were getting a bit long to be wearing $40 hosiery so it was a back-of-the-mind minor worry... Next morning? No hole, my brain had imagined it! Happy girl.
The same night, I leaned back and felt something small and hard on the floor under my hand. I picked it up and started at it for a good 30 seconds, trying to figure out what it was and it was comical, I could feel my brain going through its catalog of "it is X! no? okay, it's Y!" and seeing it change shape and size in my fingers until I realized it was a large rhinestone another person at the party had had glued on as part of her makeup. After that it was a teardrop rhinestone, and only a teardrop rhinestone from that point forth! It was really amusing to "see" my brain working like that, guessing and guessing until I managed to quiet my thoughts and let my eyes work on their own, without assumption.