#declare Cam = camera {
   location <0, 2, -10>
   look_at <-4, 0, 0>
}

disc {
   <0, 0, 0>, y, 5
   pigment { checker color rgb <0.3, 0.3, 1> color rgb <0, 0, 0.7> }
}

union {
   cylinder {
      <0, 0, 0>, <0, 4, 0>, 0.5
   }
   cylinder {
      <-2, 0, -2>, <-2, 2, -2>, 0.5
   }
   cylinder {
      <2, 0, -2>, <2, 2, -2>, 0.5
   }
   cylinder {
      <-2, 0, 2>, <-2, 2, 2>, 0.5
   }
   cylinder {
      <2, 0, 2>, <2, 2 2>, 0.5
   }
   pigment { color rgb <0, 0, 1> }
}

light_source { <20, 50, -50> color rgb <1, 1, 1> }

camera { Cam }