Stuff

camera {
        location        <7, 7, 12>
        look_at         <0, 0, 0>
        up              <0, 1, 0>
        right           <3940.0/1300.0, 0, 0>
        direction       <0, 0, 2>
}

light_source {
        <0, -150, 0> color rgb <1, 1, 1,>
looks_like {
plane {
        y, -150
        texture {
        pigment { color rgb <1,1,1> }
        finish { ambient rgb <.4,.4,.4> }
        }
}
}
}

/*
plane {
        y, -150
        texture {
        pigment { color rgb <1,1,1> }
        finish { ambient rgb <1,1,1> }
        }
}
*/


plane {
        x, -3500
        texture {
        pigment { color rgb <1,1,1> }
        }
}


difference 
{
        sphere { <0, 0, 0,>, 5}
        sphere { <4, 0, 0,>, 3.5}
        sphere { <0, 0, 4,>, 3.5}
        sphere { <-4, 0, 0,>, 3.5}
        sphere { <0, 0, -4,>, 3.5}

        pigment {
                color rgb <0, 0, 0>
        }
        finish
        {
                reflection 1.0
                phong 1.0
        }
}

difference 
{
        sphere { <0, 0, 0,>, 4.999}
        sphere { <4, 0, 0,>, 3.499}
        sphere { <0, 0, 4,>, 3.499}
        sphere { <-4, 0, 0,>, 3.499}
        sphere { <0, 0, -4,>, 3.499}

        pigment {
                color rgb <0, 0, 0>
        }
        finish
        {
                reflection 0
                phong 0
        }
}

union 
{
        sphere { <4, 0, 0,>, 2}
        sphere { <0, 0, 4,>, 2}
        sphere { <-4, 0, 0,>, 2}
        sphere { <0, 0, -4,>, 2}

        pigment {
                color rgb <0, 0, 0>
        }
        finish
        {
                reflection 1.0
                phong 1.0
        }
}