This is a card board sculpture made by Naum Gabo, it is called Cardboard maquette for Constructed Torso. It was made in What I can take from this sculpture is the way all the cardboard has been interlocked.
Off the Ground by Jochem Faudet. This series of angular tabletops sports folded sheet metal legs that grip any or corners. The legs can be ordered separately to hold any surface that is 20 to 25 mm thick.