Hmm I can't remember if I saw that before.You drew a radial gradient there, which doesn't bring out the benefit of the technic in my humble opinion.
Photorealism won't make it better on an artistic scale in my opinion. Nor would a process going on forever would be useful for challenges I guess. And if I wanted a photo, then I wouldn't autotrace it -the original raster image would be fine for me.So this time, adding a new flavor to it, with hatching: (Image removed from quote.)