I've been loosening or removing strings to measure neck profiles (depth at the first fret).
This link makes it so easy. Duh!
https://www.mk-guitar.com/2015/12/16/simple-trick-to-meaure-neck-thickness-with-strings-on/
This link makes it so easy. Duh!
https://www.mk-guitar.com/2015/12/16/simple-trick-to-meaure-neck-thickness-with-strings-on/