To Change the Orientation of Features in a UDF
1. Click > 
User-Defined Feature. The Open dialog box opens.
User-Defined Feature. The Open dialog box opens.2. Select the created UDF group file and click Open. The Insert User-Defined Feature dialog box opens.
3. Click OK. The User Defined Feature Placement dialog box opens to the Placement tab.
4. Define placement references and click the Adjustments tab.
5. Select a direction, start point, or silhouette edge from the list.
6. Select Flip or Next to flip the direction or toggle a silhouette edge or a start point.
7. Click 
to confirm the group placement.
to confirm the group placement.