#include "skytufte.inc"

// global_settings { max_trace_level 256 }

camera {
	up y
	location <0, 0, -4>
	look_at 0
	orthographic
	}

union {
	sphere { <0,0,0>, 1 }
	sphere { <0,3,0>, 2 }
	sphere { <4,0,0>, 3 }
	pigment { rgb 0 }
	finish { reflection 0.978572062 }
	translate <-5/3,-1,0>
	}