You can modify a channel edge by inserting interpolation points using the Spline Channel Editor.
1. On the Modify tab, click .
2. Select a channel edge.
3. Under Edge Modifications, click Insert Pnt.
4. Specify a point on the channel edge. An interpolation point is inserted which you can move by selecting another destination point if required.
When you modify a channel edge, Cabling updates its solid representation. Click the Deferred Update check box to suppress the solid representation. Click Update Now to update the solid representation.
.