It doesn't look like it's publicly viewable but he has a writeup of his process for patrons at https://www.patreon.com/posts/on-airfoil-99289324 https://www.pa

It doesn't look like it's publicly viewable but he has a writeup of his process for patrons at https://www.patreon.com/posts/on-airfoil-99289324 https://www.patreon.com/posts/on-airfoil-99289324