Using a Complicated or Round Surface as a Datum - 4 holes normal to a curved surface

GD&T Answer video about using a curved profile surface as a datum for 4 holes that are required to remain normal to the curved surface. How do we do this with GD&T profile and position and what do we use as datums? We talk about a lot of very advanced concepts here so make sure you are enrolled in our GD&T Fundamentals or GD&T Advanced Course to learn more. Interested in learning more about GD&T? Check out more of our free GD&T resources here: https://download.gdandtbasics.com/youtube-free-gdt-resources