Some more Mandelbulbery, this time exploring the Mandelbox fractal instead of the Mandelbulb:
My process for these is to choose a fractal type in Mandelbulber, play around with the fractal parameters till I find an interesting shape, move the camera around until I get a good view, and render it. I then tweak the shader values (colors, specular, ambient occlusion, etc.) and the lights (position, color, etc.) and re-render till I get what I like. Finally I turn on depth of field and add a little fog.
Once I’m happy with the image in Mandelbulber, I export to PNG and open it in Photoshop to add some texturing. I also scale the image down a bit to get rid of some of the rendering artifacts. (It’s not wholly successful, but it does make a big difference.)
And here we are going for an underwater type of atmosphere (via aqua-colored fog and some vignetting in Photoshop):
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