Just wrote my first Python script to draw a guitar fretboard when given parameters (nut width, bridge width, scale, fingerboard length, number of frets. It draws the fingerboard, and layout lines for the frets, ready for trimming, and grouping. So proud!!
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By 30 years of measuring guitars and building 
The only thing that might need tweaking is the wide end of the board. I set it to the width of the bridge, but in reality the twelfth fret is approximately the width of the bridge.
Time to hack the code 
Code fixed - got dimension much closer. Had to do some fancy math that I learned in high school (or earlier?).