The lightweight Audi R18 Ultra Chair is being showcased this week at Design Miami.

The Audi R18 Ultra Chair is being showcased this week at Design Miami.

Designed by Clemens Weisshaar and Reed Kram in collaboration with Audi's engineers, the lightweight chair weighs only 2.2 kg (4.85 lbs) thanks to its carbon fiber, carbon and high-strength sheet aluminum construction.

During the development process more than 1,500 testers were involved in an interactive installation that emitted electronic signals for gathering data. Based on structural data of the chair, designers were capable of optimizing the prototype in collaboration with the personnel working at Audi Lightweight Construction Center

The name of the chair comes from Audi's Le Mans-winning R18 ultra racing car.

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