© 2022, ASCENT - Center for Technical Knowledge® 1–1
C h a p t e r
Introduction to 3D T&A
The goal of this guide is to teach you how to create tolerances and annotations to
detail a model using the CATIA 3D Tolerancing & Annotation (3D T&A) app. You
should already have a foundation-level understanding of the rules, standards, and
types of geometrical tolerances, dimensions, and annotations.
Learning Objectives in This Chapter
• Understand the usage of tolerancing and annotations.
• Understand the use of the 3D T&A app.
• Recognize the 3D T&A interface and tools.
• Understand the annotation process.
• Create drawings from an annotated model.
• Learn how to access annotations and set annotation references.
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