Both ends of each strut are flattened and a hole is punched through the flattened area. Four to six of the struts meet at each joint, or “hub”, and a bolt with a washer and a nut run through the holes at the ends of the struts.
Both ends of each strut are flattened and a hole is punched through the flattened area. Four to six of the struts meet at each joint, or “hub”, and a bolt with a washer and a nut run through the holes at the ends of the struts.