外观设计目的是在于创造出一个崭新的产品形态,以达到促进销售、满足社会的功能及心理需求。但作为设计表现的图面效果,在外观设计过程中起着一个不可忽视的作用。它是设计师与人们沟通联系的一种特殊语言,因此,作为一个有才华的产品设计师,其设计图面的表现效果优劣将直接影响其构思的发展和人们对其素质的欣赏。 The purpose of the design is to create a brand new product form in order to achieve sales promotion and satisfy social functions and psychological needs. However, as the effect of drawing for design performance, it plays a role that cannot be ignored in the design process. It is a special language for designers to communicate with people. Therefore, as a talented product designer, the performance of the design drawing will directly affect the development of the concept and people’s appreciation of their qualities.