Orbit trapping is a popular technique for mapping arbitrary shapes to a fractal. This 3D orbit trap is shaped like a sphere. See also my 2D orbit trap fractals.
Links
- 3D Mandelbrot set orbit trap – animation by David Makin
- 3D Orbit Trap – by Ramiro Perez
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Paul Nylander 
Not bad pal, thanks for this, and cheers from Poland 🙂