I'm working on planning an 8 string guitar with a 28" scale, but Im having trouble. Especially the whole neck thing. Dimensions and fret board width and the lot. Anyone have any plans or files that will help with this?
Well this should give you a good guide as to what the widths should be for the fretboard (I know it's an inch shorter but it's not a massive deal):


And you can use Stewmac's fret length calculator to work out the gaps you need to leave between frets.

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