--- /dev/null
+# Over-constrained volumes
+
+# create mesh
+from SMESH_mechanic import *
+mesh.Tetrahedron()
+mesh.Compute()
+# get all over-constrained volumes
+filter = smesh.GetFilter(smesh.VOLUME, smesh.FT_OverConstrainedVolume)
+ids = mesh.GetIdsFromFilter(filter)
+print "Over-constrained volumes:", ids