Even in a high-tech world, car designers are still relying on clay

BY DEE-ANN DURBIN WARREN, Mich. (AP) — Car designers have every kind of software and virtual reality tool. But when they want to make sure a car’s curves look just right, they rely on one of the world’s oldest materials: clay. Every vehicle by every major carmaker, from Mercedes to Tesla to Toyota, is formed in clay long before it ever hits the road. Automakers hire sculptors to make scale models and full-size clay vehicles. They sculpt every detail, from windows to door handles to slight creases in the hood. They sculpt interiors, too, in such fine detail that focus...

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