#material_num 1 #material 0.0 0.0 0.0 0.3 0.3 0.3 0.1 0.1 0.5 1.0 1.0 1.0 100 0.0 0.0 0.0 1.05 -1 !! #vertex_num 4 #vertex -2 0 2 0 1 0 0 0 #vertex 2 0 2 0 1 0 0 0 #vertex 2 0 -2 0 1 0 0 0 #vertex -2 0 -2 0 1 0 0 0 #shape_triangle 0 0 1 2 #shape_triangle 0 0 2 3