Start with a wiffle ball, alias a "future sphere" in my fractal generator.
Set the wiffle ball iteration, flatten them out and add some long thin cylinders squnched together to form some "mountains." Then fiddle around with some parameters and render the whole object.
And finally, fiddle around with the colors and such, zoom and crop to the central attraction, add my initials and the date, and,...
Okay, there was actually a tad more to it than that, but a magician never reveals ALL his secrets.