Does fret spacing matter? For example, if frets are below 1mm in distance from each other, so much shorter than a human finger, would the different pitches still be playable? - Quora
Acoustic guitar scale on my DIY guitar kit. - The Acoustic Guitar Forum
True Temperament — Guitar City Magazine
True Temperament Frets Explained | Stringjoy
FAQ – True Temperament Shop
Steve Vai & True Temperament: A new type of guitar fretboard?