Page Comparison

...

1. Select Section by Closed Polyline from the local menu or Inspector Bar.
   Image Modified
2. Select the object to section. You can use Shift to select more than one object, or use a selection window (first click outside the objects, then drag the window).
   Image Modified
3. Select the closed polyline.
   Image Modified
4. The 3D section is created.
   Image Modified
   You can view the 3D section more clearly by removing the original solid. (The render mode here is Hidden Line.)
   Image Modified