tetrahedron.pov
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			#version 3.6;

			#include "colors.inc"
			#include "metals.inc"
			#include "textures.inc"

			global_settings {
			max_trace_level 64
			}

			camera {
			location <20,30,-50>
			right 0.26ximage_width/image_height
			up 0.26*y
			look_at <0,-2,0>
			}

			background{rgb 1}

			light_source{<-8,30,-20> color rgb <0.77,0.75,0.75>}
			light_source{<20,5,-15> color rgb <0.38,0.40,0.40>}

			#declare r=0.025;
			#declare s=0.07;

			union{
			#include "tetrahedron_p.pov"
			scale 5
			rotate <0,-65,0>
			texture{T_Silver_3C}
			}

			union{
			#include "tetrahedron_v.pov"
			scale 5
			rotate <0,-65,0>
			pigment{rgb <0.3,0.3,0.9>} finish{phong 0.9 ambient 0.42 reflection 0.1}
			}

lammps/lib/voronoi/examples/walls/tetrahedron.pova6b7299ddc2blammm-master