// Last edited on 2003-12-09 02:58:21 by stolfi

// sphere{ ctr, 5 texture{ pigment{ color rgb <1,0,1> } finish { ambient 0.6 diffuse 0.4 } } }

plane{ 
  z,0 
  texture{ 
    pigment{ checker color rgb <0.7,0.6,0.5>, color rgb <0.6,0.5,0.2> }
    finish{ diffuse 0.7 ambient 0.3 }
    scale 0.5*velocity
  }
}