http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071orthographic projection http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 parallel projection BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 azimuthal projection BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 drafting RT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 orthographic projections RT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 multiview projection NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 orthogonal projection UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 projection, orthogonal UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 projection, orthographic UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31371071 right-angled projection UF