https://guitarmill.com/guitarmill/
https://www.stewmac.com/
https://forums.prsguitars.com/threads/prs-models-with-pattern-neck-profile.36956/
https://warmoth.com/guitar-neck-profiles
https://www.fender.com/articles/instruments/c-u-v-which-neck-shape-is-for-you
https://forum.gibson.com/topic/160979-gibson-style-neck-profiles/