Tre sfere
Le sfere si sovrappongono.

#include "colors.inc"
plane{ z, 2
pigment{ checker color White color Black }
}
sphere{ <-1,0,0>, 1 pigment{ color Red } }
sphere{ < 0,0,0>, 1 pigment{ color Green } }
sphere{ <+1,0,0>, 1 pigment{ color Blue } }
camera{ location<0,0,-4> look_at<0,0,0> }
light_source{ <0,0,-4> color White }
Due sfere semitrasparenti
La sfera rossa e la sfera blu sono semitrasparenti.

#include "colors.inc"
plane{ z, 2
pigment{ checker color White color Black }
}
sphere{ <-1,0,0>, 1
pigment{ color Red transmit 0.5 }
}
sphere{ < 0,0,0>, 1
pigment{ color Green}
}
sphere{ <+1,0,0>, 1
pigment{ color Blue transmit 0.5 }
}
camera{ location<0,0,-4> look_at<0,0,0> }
light_source{ <0,0,-4> color White }
Tre sfere semitrasparenti
La tre sfere sono semitrasparenti.

#include "colors.inc"
plane{ z, 2
pigment{ checker color White color Black }
}
sphere{ <-1,0,0>, 1
pigment{ color Red transmit 0.5 }
}
sphere{ < 0,0,0>, 1
pigment{ color Green transmit 0.5 }
}
sphere{ <+1,0,0>, 1
pigment{ color Blue transmit 0.5 }
}
camera{ location <0,0,-4> look_at<0,0,0> }
light_source{ <0,0,-4> color White }
Sfere semitrasparenti
Le tre sfere sono semitrasparenti e disposte in modo interessante…

#include "colors.inc"
plane{ z, 2 pigment{ checker color White color Black } }
sphere{ <-0.5,+0.5,0>, 1 pigment{ color Red transmit 0.5 } }
sphere{ <+0.5,+0.5,0>, 1 pigment{ color Green transmit 0.5 } }
sphere{ < 0 ,-0.5,0>, 1 pigment{ color Blue transmit 0.5 } }
camera { location <0,0,-4> look_at<0,0,0> }
light_source{ <0,0,-4> color White }