To Create a Curve from a Facet Border
1. Click
Restyle >
Curve >
From Facet Border.
2. Select points on the faceted data that lie on the open boundary. Middle-click to finish selection.
◦ Selection of a single point causes the creation of a closed curve that follows the open boundary.
◦ Selection of multiple points causes the creation of an open curve that approximately passes through the selected points while following the open boundary.
|  The resulting curve is a curve on facets. It can be used to create domains and for automatic surfacing. |