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.
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Yagasuri (矢絣) – designed feathers of arrows
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Asanoha (麻の葉) – designed leaves of cannabis
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Seigaiha (青海波) – designed sea waves