Yeoujimunbo, 여의주문 (Cathedral Window)In Korean culture, yeouiju means wish fulfilling jewel, Yeouijumun means a jewel pattern, and Yeouijumunbo is the name for a Jogakbo design that is found in the Joseon dynasty period (1392 1910) and in contemporary quilting. The first documentation of the use of the cathedral window in a quilt appeared at the Chicago Worlds Fair in the US in 1933. The technique quickly became popular in North America in the 1930s. In her book, Cathedral Window Quilts,