Mesh FillInteractiveHole

Introduction
Close holes in meshes by manual selection.

Use

 * 1) Choose  →    from the top menu.
 * 2) The cursor will change to a small white cross with a triangle-face-with-whole sign on the right lower corner.
 * 3) Click on a bordering vertice of a hole in a mesh to automatically close this hole.
 * 4) End the command by right-ckling in the 3D-view and choosing "Leave hole-filling mode".