Code:
Sub catmain()Dim partDocument1 As PartDocument
Set partDocument1 = catia.ActiveDocument
Dim part1 As Part
Set part1 = partDocument1.Part
Dim hybridShapeFactory1 As HybridShapeFactory
Set hybridShapeFactory1 = part1.HybridShapeFactory
Dim solid1 As Solid
' No resolution found for the object solid1...
Dim reference1 As Reference
Set reference1 = part1.CreateReferenceFromObject(solid1)
Dim hybridShapeAffinity1 As HybridShapeAffinity
Set hybridShapeAffinity1 = hybridShapeFactory1.AddNewAffinity(reference1, 1.015, 1.015, 1.015)
hybridShapeAffinity1.VolumeResult = False
Dim hybridBodies1 As HybridBodies
Set hybridBodies1 = part1.HybridBodies
Dim hybridBody1 As HybridBody
Set hybridBody1 = hybridBodies1.Item("Geometrical Set.59")
hybridBody1.AppendHybridShape hybridShapeAffinity1
part1.InWorkObject = hybridShapeAffinity1
part1.Update
End Sub