Hide or Show Edges Mode
Select this mode button to hide, but not delete, a portion of the object’s boundary.
 
1.
2.
Click the 2D Reshape tool from the Basic palette.
3.
Click the Hide or Show Edges mode button.
4.
Click again to show the hidden edge.

Editing 2D Objects : Reshaping Objects : Hide or Show Edges Mode

Nemetschek NA
Phone: 410.290.5114
Fax: 410.290.8050