Usually the production cost 80% is decided in the design phase, design phase is an important part of product cost control. Now the product development process of enterprises, industrial design has always played an important role in the overall industrial design. At the beginning of the decision is to design product positioning, cost control, production, quality inspection, the entire cycle of publicity, marketing and recycling for the overall consideration, far-reaching influence. In the process of industrial design, model making is an important link, from the pure handmade model to semi mechanized production model to modern CAM, prototype is a microcosm of modern manufacturing technology, the progress of practice, prototype not only on product design plays a very important role, is a weapon, product information security and market promotion should not be overlooked.
