--- /dev/null
+# Free borders
+
+# create mesh
+import geompy, smesh, StdMeshers
+face = geompy.MakeFaceHW(100, 100, 1)
+geompy.addToStudy( face, "quadrangle" )
+mesh = smesh.Mesh(face)
+mesh.Segment().NumberOfSegments(10)
+mesh.Triangle().MaxElementArea(25)
+mesh.Compute()
+# get all free borders
+filter = smesh.GetFilter(smesh.EDGE, smesh.FT_FreeBorders)
+ids = mesh.GetIdsFromFilter(filter)
+print "Number of edges on free borders:", len(ids)