The constraint buttons let you apply restrictions on how objects can be drawn. A selected button remains on until you click it again to turn it off.
Tool
Name
Description
Angle Constraint
The Angle Constraint button forces objects to draw in 15-degree increments.
Proportional Constraint
The Proportional Constraint button forces rectangles to draw as squares and ellipses to draw as circles.
Reverse Direction
The Reverse Direction button reverses the direction Designer normally draws objects that are drawn from a single side.
From Center
The From Center button forces objects to draw from a center point outward.
