You can use graphic objects to highlight model areas, for example. To do so, you can place the graphic objects behind the objects.
Procedures
Activate the Insert tab bar.
Click the symbol of the relevant graphic object.
In the model window, click the position where you would like the graphic object to begin, and hold down the mouse button.
Drag the mouse pointer to the position where you would like the graphic object to end.
Release the mouse button.
Activate the Insert tab bar.
Click Polygon.
In the model window, click the position where you would like the line to begin.
Double-click the position where you would like the line to end.
Activate the Insert tab bar.
Click Polygon.
In the modeling area, click the position where you would like the polygon to begin.
Click the position where you would like the partial polygon line to end and change direction.
Double-click the position where you want the polygon to end.
Tip
If you double-click the starting point of the polygon, the polygon closes.
If you want to select only one graphic object, click it.
If you want to select multiple graphic objects, drag the selection frame completely around all relevant graphic objects.
Click a handle of the graphic object and hold down the mouse button.
Drag the mouse pointer in the required direction.
Release the mouse button.
Double-click the graphic object. Alternatively, you can select the graphic object
and click Properties in the Start tab bar.
Make your changes.
Click OK.
The graphic object is displayed.
Right-click the graphic object and select Properties. The Graphic objects dialog opens.
Specify your settings. You can edit the line color, style, and weight. You can assign shadows to two-dimensional graphic objects and/or specify the rounding in percent.
Click OK.
You have used graphic objects.