Add CVs to an existing curve

1. Choose Pick > Point Types > CV.
2. Pick the CV at the end you want to add on to.

   That is, pick the first CV to add to the beginning of the curve, or the last CV to add to the end.

3. Choose Curve Edit > Modify > Add Points.
4. Click to add CVs.

Add edit points to an existing curve

1. Choose Pick > Edit Point.
2. Pick the edit point at the end you want to add on to.

   That is, pick the first edit point to add to the beginning of the curve, or the last edit point to add to the end.

3. Choose Curve Edit > Modify > Add Points.
4. Click to add edit points.

Add blend points to a blend curve

See Edit or reshape a blend curve.