Idea based on: https://www.scales-chords.com/findnotes_en.php?n1=C&n2=D%23&n3=G&n4=&n5=&n6=&optbass=1&frets=x;x;x;5;4;3
Based on
https://codepen.io/DreySkee/pen/bddpqM
https://tex.stackexchange.com/questions/500427/drawing-an-accurate-guitar-fretboard-with-tikz
http://passyworldofmathematics.com/guitar-mathematics/