Held together by wires! More precisely, the Snelson stool by Sam Weller is actually based on the structural principle of tensional integrity, or as Buckmister Fuller coined it, tensegrity.
Inspired by sculptor Kenneth Snelson’s exploration of tensegrity, the stool is held together by the continuous tension of the wires that bind it. In white oak, cherry, black walnut and ash.
Source : samweller.co.uk