Select by Boundary Edge

Source file: select-boundary-edge.htm

Select by Boundary Edge selects all connecting line segments comprising the outside boundary of a surface. Use this tool as follows:

1. On the Home ribbon tab, go to the Selection group. From the Select By drop-down list select Boundary Edge.

2. Click on a section of the boundary or edge of the surface of interest.
   All line segments comprising the boundary will be selected.

All line segments of a boundary are selected after clicking on a section of the boundary of the surface.