> Love it!  I think I see my new desktop wallpaper.  Any chance you would
> share the source?  Does it require 3.7 beta 2?

Thanks. =)

Shouldn't require 3.7; here's the source:

// +w1280 +h502 +AM2 +A0.1 +R3

global_settings {
 max_trace_level 100
}

light_source {
 <0,1,-1>*999
 rgb 1
}

camera {
 location -10*z
 right x * image_width/image_height // intended: 2.55
 up y
 look_at z
}

sky_sphere {
 pigment {
  gradient y
  color_map {
   [0 rgb <0.2, 0.3, .65>*.7]
   [1 rgb <0.7, 1.2, 1.3>*1.1]
  }
  scale 2
  translate -y
 }
}

#include "functions.inc"

#declare scurve = function(x) {x*x*(3-2*x)};

isosurface {
 function {
  (f_noise_generator(x*5,y*5,z*5+20,2)-.4) +
  .4 * curve(max((pow(x*x + y*y + z*z,.5)-.7)/.3, 0)) // (round off edges)
 }
 max_gradient 4
 accuracy .001

 contained_by {
  sphere{0,1}
  //box {<-1,-1,-.01>,1}
 }

 all_intersections

 texture {
  pigment {rgbt 1}
  finish {
   specular .45
   roughness .01
  }
 }
 interior {
  ior 1.1

  media {
   emission <.2,.65,.8>*.08
   absorption .05
  }
 }

 hollow

 rotate -40*y
 rotate -30*x
 scale 9

 translate <2.5,-3.5,0>
}

 - Slime
 [ http://www.slimeland.com/ ]

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