To extract a profile curve from a model:
- In the Explorer, right-click Patterns and select Curve Editor.
- Click Curve Editor tab > Create panel > Curves > Spun Profile.
- The Spun Profile dialog is displayed.
- Select an option from the Axis of Rotation list to specify which axis of the active workplane to revolve around.
- To change the position of the rotation origin, click Switch to position mode in the Origin area.
- Enter the coordinates of the rotational axis origin, or select it in the graphics window.
- Under Surface, click Surface selection mode .
- Select surfaces in the graphics window from which you want to create curves, or select nothing to use all available surfaces.
- Move your cursor over the icon to display information about which surfaces are selected.
- Click Create to create the curve and close the dialog.
Note: If this does not work correctly, ensure the correct principal editing plane is selected.