To export part of a 2D view, copy the view and use a crop region to show the desired portion, as described in the following procedure. Then export the view to the appropriate format.
To create a duplicate view
Add a crop region
Export the 2D view defined by the crop box
Duplicate or Duplicate with Detailing. The Duplicate tool copies the view. The Duplicate with Detailing tool copies the view and includes view-specific elements, such as detail components and dimensions.
The duplicate view displays in the drawing area. In the Project Browser, the duplicate view is named Copy of <View Name>.
In the drawing area, the crop region appears as a box around the view.
You may need to zoom out to see the borders and handles of the crop region box.

Export, and select an export option. See Export.