References wblut.geom.WB_Subdivision.WB_SubdivisionResult.addTriangle(), wblut.geom.WB_GeometryFactory3D.createCentroid(), wblut.geom.WB_Pentagon.p1, wblut.geom.WB_Pentagon.p2, wblut.geom.WB_Pentagon.p3, wblut.geom.WB_Pentagon.p4, and wblut.geom.WB_Pentagon.p5.