Tag: derived median line straightness

When to use DML Straightness

by Crystal Bemis on July 23, 2024.

Brandon walks through examples of surface straightness and derived median line straightness, explaining correct application and inspection considerations.

Rule #1 and Derived Median Line Straightness

by Crystal Bemis on May 30, 2023.

"Why doesn’t Rule #1 apply to the straightness of a Derived Median Line?" In this article, we look at both surface straightness and straightness of a feature of size to understand why Derived Median Line Straightness overrules Rule #1 of GD&T.