As soon as a CAD model has been selected, in the dialog area CAD model preview the 
Dimension diagram tabbed page shows the 2D views.

Note 
 

Always a default dimension view is displayed (created for a middle row) and this may differ from your selected part.
 

1. Under Actions click on Dimension diagram to get 2D views of the chosen part.
    

   
   
   

2. Click on Dimensioning views.
    

   
   
   

3. By clicking on a Preview you can select the desired dimensioning view.
    

   
   
   Note
   
   By clicking on Dimensioning views again you can hide the preview selection. 
   
   
   
   
   

4. In the toolbar, move the mouse pointer over the icons in order to receive information about the icons.