Brushes, Prints & Workshops -> https://www.arsfantasio.de
Just realized I did not upload this one...
This one is based on a lot experimentation with Mandelbulb and other generative software such as Amberlight and Groboto. There is a tutorial/ workshop on ShiftArt available walking you through Mandelbulb to create such interesting and detailed materials for backgrounds or textures:
There is some stock imagery involved in this composition as it was done for an istock or depositimages competition back in the day and to use at least 3 given images was a necessity.