have you considered making this an isosurface instead?  the isosurface
shadow and profile would both show the crackle detail and also might
make for an interesting radiosity comparison.  unless i'm mistaken, in
order to get a ball the same size, you start with a smaller sphere and
then add the crackle function to it.

Jan Walzer wrote:
> 
> Isn't it beautiful ? ;)
> 
> Thats a 33%-version of the final image.
> I traced it in 1152x864 with AA0.0 (about 12h)
> 
> It gives a nice desktopwallpaper.
> If there is interest, I can post it fullsize and less JPEGgy...
> (probably PNG)
> 
> So far ...
> Comments welcome... (don't ask for the black thing ;)
> 
> --
> background{rgb 1}camera{location<1,5,-2>look_at 0}#macro
> m(a,b,i)#local d=(b-a)
> /8;#local
> e=vcross(d,y);#if(i)m(a-e,a+e+2*d,i-1)m(a+e,a+2*d-e,i-1)m(a+3*d-e,a+e
> +3*d,i-1)m(a+3*d-e,a+5*d-e,i-1)m(a+6*d-e,a+e+6*d,i-1)m(a+8*d-e,a+e+8*d
> ,i-1)#else
> cylinder{a,b,vlength(d)/3 pigment{rgb 0}}#end#end m(-4*x,2*x,4) // Jan
> Walzer
> 
>  [Image]

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