EntityQ7433347· pop 6· linked from 13 articlesSchönhardt polyhedronSign in to savenon-convex polyhedron that cannot be triangulated into tetrahedra without adding new verticesConnectionspolyhedronEntitygeometryEntityInternational Standard Book NumberEntitydigital object identifierEntitytetrahedronEntityBoolean algebraEntitydiagonalEntityJSTOROrganizationQ118398EntitymanifoldEntityvertexEntityedgeEntityconvex setEntityQ22908627EntityfaceEntitydihedral angleEntitysymmetric differenceEntityNP-completeEntityconvex hullEntityantiprismEntityCategories1928 introductionsNonconvex polyhedraScience and technology in Germany