Abstract The use of prototypes is a crucial part of the product development．Especially when product-like properties are demanded rapid tooling technologies come into operation．Although the series process and the series material are used，the prototype’S properties are not quite the same of the product as shown．
Walter Michaeli, Falk Lindner. Resemblence of injection-moulded plastics prototypes to product. Chinese Journal of Engineering Design, 2004, 11(1): 49-52.
