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by Gianca 1593 days ago
There is a specific formula to compute fret widths, that is something like that:

Dn = [(L – Dn-1) ÷ 17.817] + Dn-1

I implemented it in my guitar learning software, because, I agree with you, visual perception is important in my opinion: https://www.fachords.com/guitar-learning-software/