// SHEEN / Green Coils '03.11
// By Tsutomu HIGO  URL: http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.5;
global_settings {
  max_trace_level 5
  assumed_gamma 2.2
  }

isosurface {
  function {y-4*pow(sin(2*(x+0.8*cos(pi/2*y)))*sin(4*(z+0.8*sin(pi/2*y))), 20)}
  threshold 0
  max_gradient 40
  contained_by {box {<-pi*2.5, 0.01, -pi*5>, <pi*6, 4.1, pi*3>} }
  texture {
    pigment {color rgbt <0.7, 0.7, 0.7, 0.9>}
    finish {
      ambient 0
      diffuse 1
      reflection 0.7
      specular 0.8
      phong 1
      brilliance 1
      }
    }
  no_shadow
  scale 3
  }

background {color rgb <0, 0.1, 0.2>}

camera {
  location <-14, 20, 6>
  angle 90
  look_at <0, 0, 0>
  }

light_source { <0, 25, 0> color rgb <0.5, 0.6, 0.3> }