Title: Dimension mechanical drawings.
Course: Drafting (21102-I) > Section: Performing Basic Drafting Operations

Dimensioning should include

- units of measurement
- dimension lines, extension lines, arrowheads, and leaders
- placement of dimensions (e.g., unidirectional, aligned)
- application of standards for applying dimensions to various geometric shapes.

Process/Skill Questions:

- What are the various types of dimensioning systems?
- Why should placement of dimensions follow a standard pattern?
- What are some consequences of improper dimensioning?