Mesh AddFacet

Description
The Mesh AddFacet command adds faces along a boundary of an open mesh object. It can be used to fill holes.

Usage

 * 1) During the command edit mode will be active. In this mode it is impossible to rotate or pan the 3D view, although zooming still works. But you can temporarily switch out of edit mode with the Std ToggleNavigation command should you need to change the view.
 * 2) Select a single open mesh object.
 * 3) There are several ways to invoke the command:
 * 4) * Press the button.
 * 5) * Select the option from the menu.
 * 6) If you hover over a vertex along a boundary of the mesh a yellow marker will appear and a left-click will select it.
 * 7) Select two additional points to define a triangular face. The order of the three points, clockwise or counterclockwise, determines the direction of the normal of the face.
 * 8) A menu pops up with the following options:
 * : adds the face to the mesh.
 * : flips the normal of the face. After selecting this option a left-click will again show the menu.
 * : removes the selected points.
 * 1) Optionally add more faces.
 * 2) Choose  from the 3D view contex menu to finish the command.