More variables?
Grain orientation, runout, etc
Glue
Neck material, neck stiffness, Carbon Fiber rod,
Headstock weight, including tuning machine weight, size of headstock, etc.
Back thickness
Side thickness
Linings (solid, kerfed, reverse kerfed, etc)
Heel block
Tail Block
Top bracing
Bridge patch
Back bracing
Side bracing
Soundhole size, shape, location
Fretboard thickness, material
Bridge height, material, location
Saddle height/action, shape, compensation, material
Fret height, shape
Nut height/action, material
Strings
Tuning
Finishes
Pickups
Build processes that affect the player, which affects sound:
Neck shape
Fretboard width
Fret dressing
Headstock shape
Body thickness
String spacing
Nut shape
Saddle Shape
I think I hit most of it, save for inlay location I guess and some other stuff.