1. A METHOD FOR THE CONTINUOUS MANUFACTURE OF ZIGZAGSHAPED STRUTTING FOR LATTICE STRUCTURES FROM ELONGATED METALLIC MATERIAL SELECTED FROM STRIP AND BAR STOCK, COMPRISING PASSING SAID ELONGATED MATERIAL THROUGH BETWEEN TWO SERIES OF MESHING TRIANGULAR BENDING TOOLS OF A FORMING STATION TO FORM ZIGZAG-SHAPED STRUTTING, EACH SEREIS OF SAID TRIANGULAR BENDING TOOLS BEING MOUNTED ON A REVOLVING ENDLESS CARRYING CHAIN CONTINUOUSLY MOVED ALONG THE FORMING STATION, ONE SERIES OF BENDING TOOLS BEING STAGGERED BY HALF THE PITCH OF THE CHAINS RELATIVE TO THE OTHER SERIES SO THAT THE TOOLS MESH WHILE LEAVING A FORMING GAP AND ADDITIONALLY SHAPING SAID METALLIC MATERIAL IN PLANES EXTENDING AT RIGHT ANGLES TO THE DIRECTION OF MOVEMENT OF THE STRIP MATERIAL.