You can use existing paper space geometry to define the cutting line.
- In the layout containing the drawing view you intend to use as the parent, create the geometry to use as the cutting line.
- Click Layout tab
Create View panel
Section drop-down
From Object.
- Click the view you want to use as the parent view.
- Select the objects to use as the cutting plane and press ENTER. The selected objects convert to a section line.
- Move the preview to the desired location and click to place the view.
- Click Section View Creation tab
Create panel
OK.