Here is interesting study lecture and article, maybe somewhat related.
The Geometry and objects of things you see in typical to DMT experiences are hyperbolic.
Lecture https://www.youtube.com/watch?v=loCBvaj4eSg
The Hyperbolic Geometry of DMT Experiences: Symmetries, Sheets, and Saddled Scenes https://qualiacomputing.com/2016/12/12/the-hyperbolic-geomet...