/*! 

\page free_faces_page Check Free Faces

Emphasizes by the red color all free faces of a given shape in the 3D Viewer.
A free face is a face which is not shared between several sub-shapes of the shape.

<b>TUI Command:</b> <em>GetFreeFacesIDs(Shape),</em> where \em Shape is
a shape to be checked.

See also a \ref tui_free_faces_page "TUI example".

\image html repair10.png

*/