To Extend a COS to Boundary
1. In the Model Tree, right-click the Style feature that contains the curve to extend, and choose Edit Definition. The Style tab opens.
2. Click Style > Curve Edit. The Curve Edit tab opens.
3. Click the collector, and select a curve on surface (COS).
4. Right-click the endpoint of the selected COS, and choose Extend to Boundary from the shortcut menu.
The end of the COS is extended to the nearest surface boundary. A soft point is created for the new endpoint on the boundary.
5. Click .