Create Cross Section Spline

1. From the menus, click Create > Spline > Cross Section.

2. Select the surface.

3. Set the Cross Section Spline dialog.

4. Use the Select Point menu to select two points that indicate the direction of the spline.

5. Select the "offset side" to which the splines fall.
   
   The following video shows steps 3-5.
   Create Cross Section Spline, video

6. When it is necessary to create a single cross section, enter an increment value larger than the size of the surface.

7. Requires SURFCAM 2 Axis Plus system or greater.