To Specify the Hatching of an AEC Polygon Style

1. Click Manage tab Style & Display panel Style Manager .
2. Expand Multi-Purpose Objects AEC Polygon Styles.
   Note: Alternatively, you can select an AEC polygon in the drawing, and click AEC Polygon ribbon contextual tab General panel Edit Style drop-down AEC Polygon Styles.
3. Select the style you want to edit.
4. Click the Display Properties tab.
5. Select the display representation in which changes should appear, and select Style Override.
6. If necessary, click .
7. Click the Hatching tab.
8. Click the setting for Pattern.
9. Select the hatching pattern:

   If you want to…	Then…
   select a hatching pattern that is available in the software	select Predefined for Type, and then select a pattern.
   select a custom pattern	select Custom for Type, and then enter the name of the custom pattern. If necessary, click Browse, and navigate to the folder where the custom pattern file is located.
   select single hatching	select User-defined for Type, and clear Double Hatch.
   select double hatching	select User-defined for Type, and select Double Hatch.
   select solid fill	select Solid Fill for Type.

   Tip: Mask blocks do not hide the True Color representation of AEC polygons, but you can use hatching to work around this. Use the Model representation of the AEC polygon, set the hatch to Solid, and select the appropriate True Color for the hatch.
10. Click OK.
11. Click Scale/Spacing, and enter a value that determines how the selected pattern is repeated.
12. Click Angle, and enter the angle for the selected pattern.
13. Click Orientation, and specify how the hatching is oriented:

    If you want to…	Then…
    orient the hatching to the AEC polygon, regardless of the object’s rotation	select object.
    orient the hatching to the World Coordinate System	select global.