Do you know any traditional patterns in your country? In Japan, there are a lot of patterns. Today I introduce some of them. If you can decompose a pattern into some shapes (such like rectangles, ellipses, triangles or lines), you can code to draw the pattern.
Yagasuri (矢絣) – designed feathers of arrows
Asanoha (麻の葉) – designed leaves of cannabis
Seigaiha (青海波) – designed sea waves