OrthographicCamera {
    center 0 0 10 
    direction 0 0 -1
    up 0.5 1 0
    size 5
}

Background { color 0.4 0.4 0.4 }

Group {
    num_objects 5

    Material { diffuseColor 1 0 0 }
    Sphere {
	center 0 0 0 
        radius 1 
    }

    Material { diffuseColor 0 1 0 }
    Sphere {
	center 1 1 1 
        radius 0.75
    }
    Sphere {
	center -1 -1 1 
        radius 0.75
    }

    Material { diffuseColor 0 0 1 }
    Sphere {
	center -1 1 -1 
        radius 0.75
    }
    Sphere {
	center 1 -1 -1 
        radius 0.75 
    }
}