Mesh_1.Segment().MaxSize(34.641)
Mesh_1.Triangle()
Mesh_1.Tetrahedron()
-Mesh_1.Compute()
+if not Mesh_1.Compute(): raise Exception("Error when computing Mesh")
# create a group of free faces
aFilter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_FreeFaces )