ok I finally finished this and it's relativly fast as well. there are
a couple of modifications however but they can wait, in the mean time it can
be downloaded from
http://www.geocities.com/qsquared_1999/pubfiles/pubfiles.html if anyone is
interested.

approximation.jpg took 7s to render
real.jpg took 50s to render

f = function(x,y,z) {
    f_sphere(x,y,z,1)+f_wrinkles(x,y,z)
}

--
Kevin
http://www.geocities.com/qsquared_1999/
#macro _(r)#if(r<12)#local i=asc(substr("oqshilacefg"
,r,1))-97;disc{<mod(i,7)-3,div(i,7)-1,6>,z,.4
pigment{rgb 10}}_(r+1)#end#end _(1)//KL

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