MODENA, Italy - Sergio Scaglietti, associated with some of the most beautiful and famous Ferraris of the past 60 years, has died aged 91 at his home here.Scaglietti was a skilled repairman and a friend of Enzo Ferrari and his son Dino. He had his first repair shop in 1951 across the road from the Ferrari works in Maranello and his skill in repairing and eventually designing racing cars would make the Scaglietti name one of the most revered in car design.Carrozzeria Scaglietti, before it was acquired by Fiat, built a number of sports and racing cars for Ferrari, including some, such as the 250 California and the 250 GTO, that were actually dreawn by Pininfarina.DESIGN LEGACYEnzo's son Piero Ferrari, said: "He was one of my father's best friends. He was next to me the day my father died and stayed with me the whole night until the funeral. I loved him and he was a very important part of my life."Ferrari chairman Luca di Montezemolo said: “Today is a sad day for Ferrari. We lost a friend, a travel companion, a man who had his name for ever connected to the Prancing Horse. Sergio Scaglietti leaves the legacy of an artist who created some of the most beautiful cars of our history. "Who had the luck to know him like I did will also remember him as a straightforward and honest man, completely dedicated to his work. We will miss him."Scaglietti created some of the most famous models for the Italian automaker, among them the California, 250 Testa Rossa, 250 GTO and the 750 Monza.