// MOD / Palace '03.06
// 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
  }

camera {
  location <1.2, -1, -5>
  look_at <-0.5, 0.6, 0>
  angle 72
  }

light_source {<5, 0.3, -0.2> color rgb <1, 0.8, 0.5>}

isosurface {
  function {pow(mod(x+30,2)-1,2)+pow(mod(z+30,1.5)-0.75,2)+pow(y/5,2)-0.025/cos(y)}
  threshold 0
  max_gradient 50
  contained_by {box {<-4, -1.48, -3.5>, <4, 1.57, 30>}}
  open
  texture {
    pigment {color rgb <1, 1, 1>}
    finish {
      ambient 0.2
      diffuse 0.3
      reflection 1
      specular 1
      phong 1
      brilliance 1
      }
    }
  no_shadow
  }