This design project is aimed to study and design party-wear for women with inspiration from Showa Sanshoku Carp. The design combines the structure and features of Showa Sanshoku Carp into party-wear. The study of structure and features of Showa Sanshoku Carp analyzes 2 areas: physical feature analysis and overall sample analysis. The study of physical features slices structure and features to gain details of the carp and adjust to develop new feature and form. The features from the structure of the carp give a new trend of party-wear which is very fashionable. The highlight of carp is the colors of each breed which are red black and white. The results show an outstanding and up-to-date fashion of party-wear for women. In conclusion: the researcher adopts concept of physical features of Showa Sanshoku Carp to design a set of 5 party-wear dresses for women. The design shows the structure and features of the carp adaptable to party-wear design which shows the uniqueness in tone of colors. The concepts enhances uniqueness in party-wear design.