Here's an impressive full-scale 4-drawing set of specifications for a 1957 Gibson® J-45® acoustic flattop guitar, drawn by luthier Michael Collins. Details include a fret scale chart, complete bracing profiles and neck joint dimensions, plus materials specifications. Build your own guitar, or display these handsome drawings on your shop wall.
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Measurements were taken directly from a 1957 model, but bonus drawings are included that reflect production variations during the '40s and '50s: large and small pickguard profiles, peghead logos, 3-ring and 7-ring soundhole purflings, neck laminations, and three different bridge styles.