Create a multiple natural extension on a continuous sequence of edges (composite) of one or more faces.
Required Step 1 
Select Natural Multi Continuous from the pull-down menu.
Pick the edge of the faces to be extended.
The selected edge of the face is extended accordingly.
The Auto Directions parameter displays all arrows on the vertices and their corresponding default directions are calculated. The direction of the arrows can be set by right-clicking on the arrow. .One or more arrows can be removed so that their default direction at this point will not be calculated.
The Manual Directions parameter displays only two arrows at the end vertices of each face. Side directions of extensions on each vertex can be added.
The symbol “X” appears on each vertex of the picked composite or edge. To add the direction on the specific vertex, pick the “X” upon which an arrow appears near this vertex and change the direction of the arrow. The additional arrows can be subsequently removed so that their default direction at this point will not be calculated, however, the arrows at the end vertices of faces cannot be removed.
If this is the final result, press OK
or Apply 
in the Feature
Guide to complete the function.
When completed, the extended face will appear in the Feature Tree as follows:
