- 
       Select the two section curves. 
- 
       Click within the Guides window then select the two guide 
       curves. 
- 
       Click OK to create the multi-sections surface. 
- 
       Click Offset
        . .
 
- 
       Select the multi-sections surface. 
- 
       Enter an offset value of 2mm. 
         
           | The offset surface is displayed normal to the multi-sections 
           surface. |  
           |  |  
 
- 
       Click OK to create the offset surface. 
- 
       Click Intersection
        . .
 
         
           | The Intersection dialog box appears. |  
 
- 
       Select the offset surface then the first plane (Plane.2) 
       to create the intersection between these two elements. 
- 
       Click OK in the dialog box. 
         
           |  |  
           | The created elements are added to the specification tree: |  
           |  |