EntityQ600152· pop 5· linked from 5 articlesreciprocal frameSign in to saveclass of self-supporting structure made of three or more beams and which requires no center support to create roofs, bridges or similar structuresConnectionsJapanCountryChinaCountryarchitectureEntityInternational Standard Book NumberEntitymandalaEntityLincoln CathedralEntityVillard de HonnecourtEntityJosep Maria JujolEntityCategoriesStructural systemTimber framing