GD&T Rule #1: Envelope Principle

GD&T Rule #1, also known as the Envelope principle, states that the form of a regular feature of size is controlled by its “limits of size." Limits of size, or otherwise known as size tolerances, can be seen in many forms. A few of them are symmetric, unilateral, and bilateral.

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GD&T Tutorial 13A : Rule #1

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GD&T Rule #1: Envelope Principle

Solved GD&T Rule #1 is also known as a. The Tolerance