You can create the landing curve by using a variety of macros available in the Geometric Construction Palette dialog box. The following procedure provides an example.

On the Stiffener Profile System by Projection ribbon, click Landing Curve Definition by 3D .
The Geometric Construction Palette dialog box, Geometric Construction Explorer dialog box, and Geometric Construction ribbon display.

In the Points tab of the Geometric Construction Palette dialog box, select a point macro, and create the needed geometric construction points.

Click Continue.
The Geometric Construction Explorer shows a list of points.

In the Curves tab, select the CurveByPointsOnSurface macro, and create the curve.

Click Continue.
The curve is added to the Geometric Construction Explorer.

Click Close.