Pythagoras Chair by Sander Mulder

From Sander Mulder, a three-legged chair design inspired by origami.A plain sheet of aluminum is laser cut and then bent into the final product. 

Says Mulder, "The triangulated lines serve both aesthetics and function, and this chairs sturdiness and comfort will surprise time and time again.Made up from only three different parts, this chair displays furniture design in its purest form." 

Pythagoras is available with either oak or aluminum legs.