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Since the 12th century, Japanese carpenters have created perfect-fitting wooden joints without nails or glue. These techniques have helped wooden structures stand for over a thousand years!

Watch Dylan Iwakuni demonstrate six beautiful connections including dovetail and gooseneck joints—each showcasing a marriage of #mathematics, #engineering, and patient craftsmanship.

For #design, #engineering, and #math enthusiasts: https://thekidshouldseethis.com/post/the-precise-art-of-japanese-wood-joinery