Changing the constrain angle
When you move, rotate and skew objects or move handles, you can use the CTRL key to constrain the angle of movement.
To change the constrain angle
1. From the Utilities Menu, choose Options (see Options).
2. Click the General tab.
3. In the Angle Constraint section, choose a value from the drop-down list.
Tip
If the value you want is not listed, type the value (in degrees) into the field and press RETURN.