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Dimensional Constraints

Dimensional Constraints

Dimensional constraints are applied to a drawing after applying the Geometric constraints. They are used to control the size and position of the objects in a drawing. You can apply the dimensional constraints using the tools available in the Dimensional panel of the Parametric ribbon.

 Click the inclined arrow on the Dimensional panel; the Constraint Settings dialog box appears.

 In the Constraints Settings dialog box, set Dimension name format to Name, as shown.

 Click the OK button, as shown.

 Click Parametric > Dimensional > Linear on the ribbon.

 Select the two endpoints of the lower horizontal line; the dimensional constraint is

attached to the cursor.

 Place the dimension constraint and left click.

 Similarly, apply linear dimensions to other lines as shown below.

You will notice that when you try to apply dimensional constraint to the horizontal line

connected to the arc, the Dimensional Constraints message box appears. It shows that the

dimension will over- constrain the geometry. In an over-constrained geometry, there are

conflicting dimensions or relations or both. Click the Cancel button on the Dimensional

Constraints message box.

 Click the Diameter button on the Dimensional panel and apply the diameter

dimension to the circle located on the left side.

 Click the Radius button on the Dimensional panel and apply radial dimension to the arc.

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