Product Design: Prototypes. products and designs can be visualised use 3D computer graphics. This can save time and money in producing an actual physical protoype, these virtual objects can then be animated to show more information about the product, thay can actually be placed with an image of a real enviroment to give a client/customer an impression of the product in situ/use. Animated virtual prototypes can make a big impact in trade shows , product launches and proposal pitches.