The purpose of this study is to utilize open API of Korean traditional pattern, for new customers who pursue various patterns and new fashion, and to present the application plan of digital tool, to make customers utilize easily it to the development of products which they want. We look forward to utilizing the existing designs of open API to find ways to develop products in rapid succession. By utilizing the Korean basic motif in various ways and extending the utilizing range and expression realm of design, it is very meaningful to provide the basic data in order to create Korean design. The result of this study is as follows: First, we examines the change of customers in environment of maker movement, and surveyed the trend of maker movement under environment of digital creation. Second, we examined the real example of products, utilizing open API of traditional pattern and motif of Korean design. It could develop the traditional pattern, which can be utilized to industry, in a short time, due to utilization of open API for traditional pattern. Third, we are to develop the motif of pattern, by examining the case of many scholars, who grafted mathematics and art, and analyzing the collected cases. Fourth, we presented triangular, quadrangular, hexagonal, and octagonal pattern and utilized them, so tried to suggest the utilization plan of Korean motif and plan which customers can participate in production easily.