Geometric Dimensioning and Tolerancing (GD&T): Introduction

GD&T (Geometric dimensioning and tolerancing) is a symbolic language that is used to accurately describe mechanical parts and to define the allowable deviations in size, form, and location for each feature, in a manner that allows the greatest flexibility for the manufacturer, while ensuring that the part will function as intended. This interactive, online course provides an introduction to GD&T fundamentals and basic notations.