DemoRASA.CATPart in the samples directory.
Click the Geometrical Zone icon
Select the Line button, call the contour you
are about to select "MyContour"
and click the orange outline in the sensitive icon.
Select this contour:
Create a sweeping operation in the tree and select the
whole body for the part.
Choose Select zones in the limiting contour
In the dialog box that is displayed, choose MyContour and
select it with the arrow.
Click Tool Path Replay
You can also define geometrical zones in an operation
Open the sweeping operation you have just defined.
Select this face as an area to avoid:
Select Export in the Area to avoid
contextual menu and call it MyPlane.
Click OK. You can now use this surface in the
same way as you used the contour above.