That gave me a precise location of the center of each fret. From that, I established a median scale length, which is the scale length down the centerline of the neck. I used those to make up rulers in AutoCad, and then used those to layout the fret locations and angles on the neck. I modified my fret slotting saw so that the vise which holds the sliding neck-holding fixture now swivels and can be set to precise angles.įor the layouts and math I used an Excel spreadsheet that I've been using for years to generate the fret spacing tables of numbers. So, I had to work through the geometry and figure out a reliable method of cutting the slots. One of my main clients has introduced several fanned fret guitar models, 6, 7 and 8-string versions. Not for my own bass product lines, but for the necks that I build for other Luthiers. I tooled up to do fanned fret necks this spring.
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