isosurface { //-------------------------------------------

  function{
   f_rounded_box(x,y,z,0.3,1.5,1.5,1.5)
   -(f_leopard(x*6,y*6,z*6)*0.5)
   }
  threshold 0
  contained_by {box {<-2,-2,-2>,<2,2,2>}}
  max_gradient 2.449
  accuracy 0.0001
  //evaluate 1,20,0.99

  texture { pigment{ color rgb<1,0.75,0.0>}
            //normal { bumps 0.5 scale 0.05}
            finish { specular 0.4 
                     phong 0.3 reflection 0.1}
	  }
  scale 0.45
  rotate <0,-40,90>
  rotate <0,35,0>  
  translate < 0, 1.2, 0.0>
} // end of isosurface -----------------------------------