I think you nailed it...assuming all else equal (action height, neck angle), it comes down to neck shape (thickness) and fret type (thickness, height). I think the taylor necks are thinner than martins by default aren't they?
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'17 Waterloo Scissortail
'17 David Newton 00 Rosewood
'11 Homemade Strat
Ibanez AS73 w/ Lollar P90s
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