Partial Section View
You can add a partial section view to a projection. With a closed line chain, for example a polyline, a limited area is cut to a desired depth, revealing the inner structure of the part.
Create a partial section view as follows:
- Create a new projection or open an existing projection for editing.
- 
        Select | Lines | .- (OR) Select some other line tool that can be used to create a closed line chain.
 
- Draw the perimeter for the partial section view.Note: The line chain must be closed and uniform.
- Finish drawing by pressing the middle mouse button.
- Select the projection onto which you drew the perimeter so that it is highlighted in green.
- Select the context-sensitive function .
- Select the perimeter, or the line chain that you drew in step 3.
- Press the middle mouse button to accept the selection of the perimeter.
- From the model, select the section cut depth. Select a point from the model in the opened model window.
The partial section view is drawn to the projection. The perimeter that you drew is set on a hidden layer which you can make visible by selecting the tool strip function . You can edit the perimeter or delete it, after which the drawing must be updated by selecting the context-sensitive function .

 Polyline
 Polyline Partial Section View
 Partial Section View Hidden Layers On/Off
 Hidden Layers On/Off