Open the item uebungsklotz.
You can find this Model in Teamcenter with these attributes:
Owning User: uebung_et
Owning Group should stay empty!
Using this Model you can comprehend the following functions.
The function Shaded with Edges 
displays the object as a volumetric body with shadows. (figure "Klotz Shaded with Edges")
The function Wireframe with Hidden Edges 
only displays outlines of the object. (figure "Klotz Wireframe with Hidden Edges")
There are additional options related to this function. E.g. you can choose Wireframe with Dim Edges 
. The edges in the background that would not be visible are now displayed as thin grey lines. (figure "Klotz Wireframe with Dim Edges")