Well, this is a long-shot, but perhaps try mathematician Francois deComite.
I've corresponded with him before about his papers on the Dupin cyclide, and he
was very friendly and responsive.

He use[d][s] POV-Ray, as a mathematician he'd be adept at making a TOK / Escher
space-filling scene, and so far his are the only images that popped up in Google
image search.

https://hiveminer.com/Tags/dodecahedron%2Cpovray

If it's not him, then they're yours. (they do sort of resemble that foliage
texture patterning you just posted)

Or you got them via illicit channels off the deep, dark web.

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