Volkswagen has added the legendary Italian design studio Italdesign to its growing list of automobile-making assets.In the past, its head Giorgetto Giugiaro has sketched cars for a wide variety of manufacturers. Its ties to Volkswagen go back to the 1970s, when Guigiaro gave first generation Golfs, Passats and Sciroccos their distinctive sharp lines. Designers at Italdesign are currently at work on Volkswagen’s UP mini-car, scheduled to go on sale in 2011. drive it! takes a look at 4 decades of Giugiaro design.