In this question line video – Tom discusses how to understand a curved profile surface as a datum for 4 holes that are required to remain normal to the irregular surface. How do we do this with Geometric Dimensioning and Tolerancing profile and position and what do we use as the 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.

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