Recently Henrich Zrubec presented this rendering of a Tribute to Mart Stam‘s tubular cantilever chair of 1926 on the Behance network. Typically the prototype of Mart’s chair was made of gas pipes. Henrich proposes used seat belts for seating and back.
Henrich Zrubec’s concept for a wooden folding Chair
If you check out Henrich Zrubrec’s site (www(dot)hz-design(dot).net – Update April 19, 2012: I got a warning entering the site that it may be virus infected so I had to invalidated the link] you will agree that he has some wonderful ideas.
This is one of them. I’m sure to pay more attention to his work in the future.