Constraining objects

You can restrict how objects are drawn and edited by using a constrain key while you draw. For example, you can press a constrain key to constrain a rectangle to a square, an ellipse to a circle, or a straight line to a perfectly horizontal or vertical line. By default, the application uses the Ctrl key to constrain the shape or angle of objects, and the Shift key to draw shapes outward from their center of origin. However, you can change the default constrain key to Shift at any time.

You can use a control key to draw or rotate an object, or the nodes and control handles of an object, at a preset increment. This increment is known as the constrain angle. By default, the constrain angle is 15 degrees, but you can change it to suit your needs.

To constrain objects while drawing or editing

A rectangle is constrained to a square, an ellipse to a circle, and a polygon to a shape with sides of equal length.

To change the constrain key

1 .	Click Tools Options.

To change the constrain angle

1 .	Click Tools Options.

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