1. Select 'Default CAD Software'
2. Select 'None(DXF)'
as the default CAD package and Click 'Set as Default'.
3. Click on ‘Print’
button in the toolbar. Click on ‘CS Preview
’ button after selecting the required sections and setting the scale. Preview window will appear with all the cross section
4. Click on 'Drawing'
button to export all Drawing in dxf.