//materials
lambert		lam1		void		.2 .5 .2
lambert		lam2		void		0 .6 .3
lambert		lam3		void		.7 .3 .8
metallic	metal1		void		0.8

// spheres
sphere		sphere1		lam1		20 33 -70 25
sphere		sphere2		metal1		-10 0 -25 10
sphere		sphere3		lam3		25 0 15 25
sphere		sphere4		metal1		50 -33 -40 20
sphere		sphere5		lam1		0 10 10 5
sphere		sphere6		lam3		20 33 -36 10
sphere		sphere7		lam1		-15 0 10 15

// box around outside
plane		plane1		lam2		0 0 -100 0 0 1
plane		plane2		lam2		0 0 100 0 0 -1
plane		plane3		lam2		0 -100 0 0 1 0
plane		plane4		lam2		0 100 0 0 -1 0
plane		plane5		lam2		-100 0 0 1 0 0
plane		plane6		lam2		100 0 0 -1 0 0

// lights
point		a			void		0 0 0 .3 .5 .4
point		b			void		-10 0 60 .2 .7 .7
point		c			void		-40 -60 0 .3 .4 .6