2026-05-03 20:57 UTC
Equation for the shape of a guitar pick
https://www.johndcook.com/blog/2026/05/03/guitar-pick/
Replies (4)
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@tpfto@mathstodon.xyz 2026-05-03 21:23
@johndcook for guitar picks, my immediate thought was Bernoulli's "polyzomal curve", \(y^4 - 6y^2 + 4x^2 y^2 + 1=0\); in fact, this gets you two guitar picks for the price of one.
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@dougmerritt@mathstodon.xyz 2026-05-03 21:37
@johndcook Nice. Having gotten that far, the rounded corners make me wonder if there is a supertriangle variation on the superellipse that would be similar. https://en.wikipedia.org/wiki/Superellipse
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@katchwreck@mastodon.social 2026-05-04 07:00
@johndcook this one's a little different.. but good for bass guitar! https://www.jimdunlop.com/tortex-pitch-black-jazz-iii-pick-1-50mm/
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@Gundula_D@troet.cafe 2026-05-04 07:40
@johndcook