pattern_hexa.ApplyToHexahedrons(Mesh_3.GetMesh(), volsToSplit,0,3)
isDone = pattern_hexa.MakeMesh(Mesh_3.GetMesh(), True, True)
pattern_hexa.ApplyToHexahedrons(Mesh_3.GetMesh(), volsToSplit,0,3)
isDone = pattern_hexa.MakeMesh(Mesh_3.GetMesh(), True, True)