过去谈论设计往往注重设计的本身,关注产品的功能、材料、造型、结构、技术。而随着设计理论和设计方法的不断研究,设计师已经开始从产品本身走出去,开始关注用户、情感、环境。基于产品设计,本文通过卷笔刀设计的案例分析探讨设计之中与设计之外的关系,从而对设计有新的认识和见解。 In the past, talk about design often focus on the design itself, focusing on product features, materials, shape, structure, technology. With the continuous research of design theory and design method, designers have started to walk out of the product itself and begin to pay attention to users, emotions and environment. Based on the product design, this article explores the relationship between design and design through the case analysis of pencil sharpener design, so that the design has new understanding and insight.