#declare Norm = normal {
   ripples 1.0
   turbulence 0.7
   scale 1/4
   translate <0, 1, 0>
}

sphere {
   <0, 0, 0>, 1
   pigment { color rgb <1, 0, 0> }
   finish { phong 0.8 }
   normal { Norm }
}

plane {
   y, -2
   pigment { checker color rgb <1, 1, 1> color rgb <0, 0, 0> }
   rotate y*30
}

light_source { <200, 200, -200> color rgb <1, 1, 1> }

camera {
   location <0, 4, -1>
   look_at <0, 0, 0>
}