# Dimensions

Dimension a line, edge, bounding box, angle, and radius/diameter in order to create objects which must fit predefined dimensions.

You can also insert a general annotation to label the parts of your model.

Dimension a line, edge, bounding box, angle, and radius/diameter in order to create objects which must fit predefined dimensions.

You can also insert a general annotation to label the parts of your model.

**Linear**

Create and edit a dimension line directly between two points. This measures the shortest distance between the two reference points.**Leader**

Insert a general annotation. This is useful for labeling the parts of your model.**Radius/Diameter**

Create and edit the radius/diameter dimension of an arc, circle, or the curvature of a NURBS curve, given a center and a point.**Angular**

Create and edit an angular dimension between two points, given a center.