To Set Properties for Closed Geometry Elements
You can add closed geometry elements such as boxes, polygons, circles, and ellipses to a design. There are definition and anchoring techniques for each type of element.
Click > > 
Properties to set properties for closed geometry elements in the Closed Geometry Properties dialog box. To set the properties while creating closed geometry follow the procedure below.
Properties to set properties for closed geometry elements in the Closed Geometry Properties dialog box. To set the properties while creating closed geometry follow the procedure below.1. Click a closed geometry button or click the arrow to select a closed geometry tool.
2. Click and drag to create the closed geometry element.
3. Right-click and set the following properties:
◦ Switch Centerlines On—Displays the centerlines for geometry elements created using the current tool only.
 | A centerline indicates the horizontal and vertical axis of the geometry rotated by the value of the base angle. For slots, the centerlines also pass through the center of the round-slot ends. |
◦ Base angle—Type a positive or negative value for the angle of drawn closed geometry elements. The default is +0.00000.
4. Click again to create the element.
5. Right-click and choose Exit Tool.