Hello folks. Had an isosurface attack earlier and this is the product. 
Sorry about the file size, but I had to reduce some jpeg artifacts.

The base shape (an octahedron) was warped with multiple passes of x, y 
and z cos functions using a #while loop. Each cos function is scaled 
twice as large as the next (both in size and strength). The variable 
responsible for this begins with a value of 1 and counts by itself till 
it reaches 128 like this:
#declare V=V+V;

It rendered relatively fast so I added one 2x2 area_light to help the 
initial point light.

Questions, comments, ideas?

-Samuel Benge

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Preview of image 'erosion.jpg'