Creating dimensions

You can create dimensions by:    

    Selecting the entity to dimension and specifying the dimension line location.

    Specifying the extension line origins and the dimension line location.

When you create dimensions by selecting an entity, the program automatically places the extension line origins at the appropriate definition points based on the type of entity you select. For example, the definition points are located at the endpoints of arcs, lines, and polyline segments. When you create dimensions by specifying the extension line origins, the points you specify determine the definition points. To establish these points precisely, use entity snaps.    

You can create dimensions in model space or paper space.

There are many commands for creating dimensions, described next. Additionally, you can use the Quick Dimension command to quickly create a series of dimensions of the same type, simply follow the prompts.

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Creating linear dimensions

Creating angular dimensions

Creating arc dimensions

Creating diametral and radial dimensions

Creating ordinate dimensions

Creating leaders and annotations

Dimensioning model space entities in paper space

1. Creating linear dimensions
2. Creating angular dimensions
3. Creating arc dimensions
4. Creating diametral and radial dimensions
5. Creating ordinate dimensions
6. Creating leaders and annotations
7. Dimensioning model space entities in paper space