+<center>Default mode is \a Automatic</center>
+
+To use \b Automatic sewing:
+<ul>
+<li>Specify the mesh you want to sew by selecting it or any its part
+ (group or sub-mesh) in the Object Browser or in the VTK Viewer.</li>
+<li>Specify the \b Tolerance, within which free borders are considered
+ coincident. At the default zero \b Tolerance, the tolerance used by
+ the search algorithm is defined as one tenth of an average size of
+ elements adjacent to compared free borders.</li>
+<li>To visually check the coincident free borders found by the
+ algorithm, switch off <b>Auto Sewing</b> check-box. The controls
+ to adjust groups of coincident free borders will become available in
+ the dialog.</li>
+
+\image html sewing_auto.png
+<center>Controls to adjust groups of coincident free borders</center>
+
+<li>\b Detect button launches the algorithm of search of coincident
+ free borders.</li>
+<li>The found groups of <b>Coincident Free Borders</b> are shown in the
+ list, one group per line. Each group has its own color, which is used
+ to display the group borders in the VTK Viewer. A free border
+ within a group is designated by the IDs of its first, second and
+ last nodes within parenthesis. All borders present in the list will
+ be sewn upon \b Apply. </li>
+<li>\b Remove button removes the selected groups from the list.</li>
+<li><b>Select All</b> check-box selects all groups in the list.</li>
+<li>When a group is selected, its borders appear in <b>Edit Selected
+ Group</b> list that allows you to change this group.</li>
+<li>
+\image html sort.png
+<em>Set First</em> button moves the selected border to the
+ first position in the group, as a result other borders will be moved
+ to this border during sewing.
+</li><li>
+\image html remove.png
+<em>Remove Border</em> button removes the selected borders from the
+ group. It is active if there are more than two borders in the group.
+</li>
+<li>Selection of a border in the list allows changing its first and
+ last nodes whose IDs appear in two fields below the list. \a Arrow
+ buttons near each field move the corresponding end node by the
+ number of nodes defined by \b Step field.</li>
+<li>
+\image html swap.png
+<em>Swap</em> button swaps the first and last nodes of a
+ selected border.
+</li>
+</ul>
+
+For sewing free borders manually you should switch the \b Mode to \b
+Manual and define three points on each border: the first, the second and the
+last node: