A man named Ernst Chladni did that back in the olden days (late 1700s) with violins to tune the thickness of the top sound plates. Luthiers still use the method.
https://physics.aps.org/articles/v9/46
https://en.wikipedia.org/wiki/Ernst_Chladni
https://physics.aps.org/articles/v9/46
https://en.wikipedia.org/wiki/Ernst_Chladni
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