#include "colors.inc"

camera {

  location < 8.0, 8.0, 8.0>
  look_at <0.0,0.0,0.0>
  angle 40
  }

  background { color <0,0,0.10> }

  light_source { <20,20,20> White }
  #declare Node = bicubic_patch {
    type 1 flatness 0.01 u_steps 6 v_steps 6,
    <0,1,0> <-1/3,1,0> <-2/3,1,0> <-1,1,0>
    <0,1,8.0> <-1/3,1,8.0> <-2/3,1,8.0> <-1,1,8.0>
    <1,-8.0,0> <1,-8.0,-1/3> <1,-8.0,-2/3> <1,-8.0,-1>
    <1, 0,0> <1, 0,-1/3> <1, 0,-2/3> <1, 0,-1>
    texture{
     pigment { color rgb <1.0,1.0,1.0> }
    }
  }
  object { Node }
  object { Node rotate 90*y rotate 90*x}
  object { Node rotate 90*y rotate 90*x rotate 90*y rotate 90*x}