Working with clay is normally assoc with artists,not with the automotive industry.However,some fo the world's largest automobile companies hare a permanent staff of sculptors to help them make designs for cars and visualize ideas for future products. Isabel Cruz went to art school and was going to be an artist, but she ended up as a sculptor for General Motors. Isabel spends her days using her hands to craft and thing from miniature clay models to actual-size car sculptures. She's been working for the company since she left college,and she and her latest models to come off the showroom floor.