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polyhedron( points = [ [10, 0, 0], [0, 10, 0], [-10, 0, 0], [0, -10, 0], [0, 0, 10] ], triangles = [ [0, 1, 2, 3], [4, 1, 0], [4, 2, 1], [4, 3, 2], [4, 0, 3] ] );