// Cylinders for the isosurface intersecting in nice ways...
#macro A(f) 
  cylinder{
    <9*sin(f),6*cos(f*f),6>,
    <cos(f),sin(f),9>,
    1,2
  } 
#end

// The bones
union{
  blob {
   A(4) A(5) A(8) A(9) A(0) A(1) A(2)
  }  
  pigment { wood }
  finish { reflection {,6} }
}

// a nice cloudy background
sky_sphere{pigment{wrinkles}}