This classic designâ€™s four panels bend in sequence from top to bottomâ€”an elegant dance that brings instant visual appeal to your environment. Through the use of diagonals Rietveld was the first to introduce this type of chair taking advantage of a new shape. What may at first seem like an unstable chair is actually firmly grounded by its balanced design. The Zig Zag Chair and Cassina the manufacturer are represented in MoMAâ€™s collection. Made in Italy of stained ash wood.