diff --git a/Icarus/SceneHost/MySceneHostVM.vb b/Icarus/SceneHost/MySceneHostVM.vb
index 2593c5c..58d7554 100644
--- a/Icarus/SceneHost/MySceneHostVM.vb
+++ b/Icarus/SceneHost/MySceneHostVM.vb
@@ -418,7 +418,7 @@ Public Class MySceneHostVM
                                                                "|New geometry EgalTech(*.nge)|*.nge" &
                                                                "|Imported Files (*.*)|*.stl;*.igs;*.iges;*.stp;*.step;*.3mf;*.nge" &
                                                                "|All Files (*.*)|*.*",
-                                                     .FilterIndex = 1,
+                                                     .FilterIndex = 6,
                                                      .InitialDirectory = sDir}
       If Not OpenFileDialog.ShowDialog Then
          Return False
@@ -431,29 +431,35 @@ Public Class MySceneHostVM
          ' sposto le nuove geometrie nel layer rib del pezzo
          Dim nNewPartId As Integer = EgtGetLastPart()
          Dim nNewLayerId As Integer = EgtGetFirstGroupInGroup(nNewPartId)
+         Dim frLayer As New Frame3d
+         EgtGetGroupGlobFrame( nNewLayerId, frLayer)   
          Dim nNewEntityId As Integer = EgtGetFirstInGroup(nNewLayerId)
          While nNewEntityId <> GDB_ID.NULL
             Dim EntityType As GDB_TY = EgtGetType(nNewEntityId)
             Select Case EntityType
                Case GDB_TY.CRV_COMPO, GDB_TY.CRV_LINE, GDB_TY.CRV_ARC
-                  Dim nNewRib = nNewEntityId
+                  Dim nNewRib As Integer = GDB_ID.NULL
                   If EntityType = GDB_TY.CRV_LINE OrElse EntityType = GDB_TY.CRV_ARC Then
-                     nNewRib = EgtCreateCurveCompo(Map.refTopPanelVM.SelPart.nPartId, nNewEntityId, False)
+                     nNewRib = EgtCreateCurveCompo(nNewLayerId, nNewEntityId, False)
+                     EgtRelocate( nNewRib, Map.refRibPanelVM.nRibLayerId, GDB_POS.LAST_SON)
                   Else
                      ' lo copio nel layer dei rib
                      nNewRib = EgtCopy(nNewEntityId, Map.refRibPanelVM.nRibLayerId, GDB_POS.LAST_SON)
                   End If
                   EgtSetName(nNewRib, RIB_CURVE)
+                  ' elimino effetti di eventuale riferimento originale
+                  EgtTransform( nNewRib, frLayer)
                   ' elimino colore entita'
                   EgtResetColor(nNewEntityId)
                   ' lo aggiungo alla lista
                   Dim NewEntity As RibEntity = New RibEntity(RibEntity.RibTypes.FROMIMPORT, nNewRib)
                   Map.refRibPanelVM.RibList.Add(NewEntity)
                Case GDB_TY.SRF_MESH, GDB_TY.SRF_FRGN, GDB_TY.SRF_BEZ
-                  Dim nNewRib = nNewEntityId
                   ' lo copio nel layer dei rib
-                  nNewRib = EgtCopy(nNewEntityId, Map.refRibPanelVM.nRibLayerId, GDB_POS.LAST_SON)
+                  Dim nNewRib As Integer = EgtCopy(nNewEntityId, Map.refRibPanelVM.nRibLayerId, GDB_POS.LAST_SON)
                   EgtSetName(nNewRib, RIB_EXTRUSION)
+                  ' elimino effetti di eventuale riferimento originale
+                  EgtTransform( nNewRib, frLayer)
                   ' elimino colore entita'
                   EgtResetColor(nNewEntityId)
                   ' lo aggiungo alla lista
@@ -490,7 +496,7 @@ Public Class MySceneHostVM
                                                                "|New geometry EgalTech(*.nge)|*.nge" &
                                                                "|Imported Files (*.*)|*.stl;*.igs;*.iges;*.stp;*.step;*.3mf;*.nge" &
                                                                "|All Files (*.*)|*.*",
-                                                     .FilterIndex = 1,
+                                                     .FilterIndex = 6,
                                                      .InitialDirectory = sDir}
       If Not OpenFileDialog.ShowDialog Then
          Return False
@@ -502,6 +508,8 @@ Public Class MySceneHostVM
          ' sposto le nuove geometrie nel layer rib del pezzo
          Dim nNewPartId As Integer = EgtGetLastPart()
          Dim nNewLayerId As Integer = EgtGetFirstGroupInGroup(nNewPartId)
+         Dim frLayer As New Frame3d
+         EgtGetGroupGlobFrame( nNewLayerId, frLayer)   
          ' verifico che ci sia una sola entita'
          If EgtGetGroupObjs(nNewLayerId) <> 1 Then
             MessageBox.Show("Impossible importing file that contains more than one entity.", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
@@ -510,6 +518,8 @@ Public Class MySceneHostVM
             If MenuItem.OrigLayer.EntityList.Count > 0 AndAlso MenuItem.OrigLayer.EntityList(0).nId <> GDB_ID.NULL Then EgtErase(MenuItem.OrigLayer.EntityList(0).nId)
             Dim nNewEntityId As Integer = EgtGetFirstInGroup(nNewLayerId)
             EgtRelocate(nNewEntityId, MenuItem.OrigLayer.nLayerId, GDB_POS.LAST_SON)
+            ' elimino effetti di eventuale riferimento originale
+            EgtTransform( nNewEntityId, frLayer)
             ' elimino colore entita'
             EgtResetColor(nNewEntityId)
             ' aggiorno riferimento pezzo
@@ -548,7 +558,7 @@ Public Class MySceneHostVM
                                                                "|New geometry EgalTech(*.nge)|*.nge" &
                                                                "|Imported Files (*.*)|*.stl;*.igs;*.iges;*.stp;*.step;*.3mf;*.nge" &
                                                                "|All Files (*.*)|*.*",
-                                                     .FilterIndex = 1,
+                                                     .FilterIndex = 6,
                                                      .InitialDirectory = sDir}
       If Not OpenFileDialog.ShowDialog Then
          Return False
@@ -561,29 +571,35 @@ Public Class MySceneHostVM
          ' sposto le nuove geometrie nel layer ShellNumber del pezzo
          Dim nNewPartId As Integer = EgtGetLastPart()
          Dim nNewLayerId As Integer = EgtGetFirstGroupInGroup(nNewPartId)
+         Dim frLayer As New Frame3d
+         EgtGetGroupGlobFrame( nNewLayerId, frLayer)   
          Dim nNewEntityId As Integer = EgtGetFirstInGroup(nNewLayerId)
          While nNewEntityId <> GDB_ID.NULL
             Dim EntityType As GDB_TY = EgtGetType(nNewEntityId)
             Select Case EntityType
                Case GDB_TY.CRV_COMPO, GDB_TY.CRV_LINE, GDB_TY.CRV_ARC
-                  Dim nNewShellNumberId As Integer = nNewEntityId
+                  Dim nNewShellNumberId As Integer = GDB_ID.NULL
                   If EntityType = GDB_TY.CRV_LINE OrElse EntityType = GDB_TY.CRV_ARC Then
-                     nNewShellNumberId = EgtCreateCurveCompo(Map.refTopPanelVM.SelPart.nPartId, nNewEntityId, False)
+                     nNewShellNumberId = EgtCreateCurveCompo(nNewLayerId, nNewEntityId, False)
+                     EgtRelocate( nNewShellNumberId, Map.refShellNumberPanelVM.nShellNumberLayerId, GDB_POS.LAST_SON)
                   Else
                      ' lo copio nel layer dei shellnumber
                      nNewShellNumberId = EgtCopy(nNewEntityId, Map.refShellNumberPanelVM.nShellNumberLayerId, GDB_POS.LAST_SON)
                   End If
                   EgtSetName(nNewShellNumberId, RIB_CURVE)
+                  ' elimino effetti di eventuale riferimento originale
+                  EgtTransform( nNewShellNumberId, frLayer)
                   ' elimino colore entita'
                   EgtResetColor(nNewEntityId)
                   ' lo aggiungo alla lista
                   Dim NewEntity As ShellNumberEntity = New ShellNumberEntity(ShellNumberEntity.ShellNumberTypes.FROMIMPORT, nNewShellNumberId)
                   Map.refShellNumberPanelVM.ShellNumberList.Add(NewEntity)
                Case GDB_TY.SRF_MESH, GDB_TY.SRF_FRGN, GDB_TY.SRF_BEZ
-                  Dim nNewShellNumberId = nNewEntityId
-                  ' lo copio nel layer dei rib
-                  nNewShellNumberId = EgtCopy(nNewEntityId, Map.refShellNumberPanelVM.nShellNumberLayerId, GDB_POS.LAST_SON)
+                  ' lo copio nel layer dei shellnumber
+                  Dim nNewShellNumberId As Integer = EgtCopy(nNewEntityId, Map.refShellNumberPanelVM.nShellNumberLayerId, GDB_POS.LAST_SON)
                   EgtSetName(nNewShellNumberId, RIB_EXTRUSION)
+                  ' elimino effetti di eventuale riferimento originale
+                  EgtTransform( nNewShellNumberId, frLayer)
                   ' elimino colore entita'
                   EgtResetColor(nNewEntityId)
                   ' lo aggiungo alla lista
@@ -593,7 +609,7 @@ Public Class MySceneHostVM
             nNewEntityId = EgtGetNext(nNewEntityId)
          End While
          EgtErase(nNewPartId)
-         ' seleziono ultima rib
+         ' seleziono ultima ShellNumber
          Map.refShellNumberPanelVM.SelLastShellNumber()
          EgtDraw()
          ' Imposto flag di ricalcolo slice
@@ -620,7 +636,7 @@ Public Class MySceneHostVM
                                                                "|New geometry EgalTech(*.nge)|*.nge" &
                                                                "|Imported Files (*.*)|*.stl;*.igs;*.iges;*.stp;*.step;*.3mf;*.nge" &
                                                                "|All Files (*.*)|*.*",
-                                                     .FilterIndex = 1,
+                                                     .FilterIndex = 6,
                                                      .InitialDirectory = sDir}
       If Not OpenFileDialog.ShowDialog Then
          Return False
@@ -633,29 +649,35 @@ Public Class MySceneHostVM
          ' sposto le nuove geometrie nel layer ShellNumber del pezzo
          Dim nNewPartId As Integer = EgtGetLastPart()
          Dim nNewLayerId As Integer = EgtGetFirstGroupInGroup(nNewPartId)
+         Dim frLayer As New Frame3d
+         EgtGetGroupGlobFrame( nNewLayerId, frLayer)   
          Dim nNewEntityId As Integer = EgtGetFirstInGroup(nNewLayerId)
          While nNewEntityId <> GDB_ID.NULL
             Dim EntityType As GDB_TY = EgtGetType(nNewEntityId)
             Select Case EntityType
                Case GDB_TY.CRV_COMPO, GDB_TY.CRV_LINE, GDB_TY.CRV_ARC
-                  Dim nNewFilledSolidId As Integer = nNewEntityId
+                  Dim nNewFilledSolidId As Integer = GDB_ID.NULL
                   If EntityType = GDB_TY.CRV_LINE OrElse EntityType = GDB_TY.CRV_ARC Then
-                     nNewFilledSolidId = EgtCreateCurveCompo(Map.refTopPanelVM.SelPart.nPartId, nNewEntityId, False)
+                     nNewFilledSolidId = EgtCreateCurveCompo(nNewLayerId, nNewEntityId, False)
+                     EgtRelocate( nNewFilledSolidId, Map.refFilledSolidPanelVM.nFilledSolidLayerId, GDB_POS.LAST_SON)
                   Else
-                     ' lo copio nel layer dei shellnumber
+                     ' lo copio nel layer dei FilledSolid
                      nNewFilledSolidId = EgtCopy(nNewEntityId, Map.refFilledSolidPanelVM.nFilledSolidLayerId, GDB_POS.LAST_SON)
                   End If
                   EgtSetName(nNewFilledSolidId, RIB_CURVE)
+                  ' elimino effetti di eventuale riferimento originale
+                  EgtTransform( nNewFilledSolidId, frLayer)
                   ' elimino colore entita'
                   EgtResetColor(nNewEntityId)
                   ' lo aggiungo alla lista
                   Dim NewEntity As FilledSolidEntity = New FilledSolidEntity(FilledSolidEntity.FilledSolidTypes.FROMIMPORT, nNewFilledSolidId)
                   Map.refFilledSolidPanelVM.FilledSolidList.Add(NewEntity)
                Case GDB_TY.SRF_MESH, GDB_TY.SRF_FRGN, GDB_TY.SRF_BEZ
-                  Dim nNewFilledSolidId = nNewEntityId
-                  ' lo copio nel layer dei rib
-                  nNewFilledSolidId = EgtCopy(nNewEntityId, Map.refFilledSolidPanelVM.nFilledSolidLayerId, GDB_POS.LAST_SON)
+                  ' lo copio nel layer dei FilledSolid
+                  Dim nNewFilledSolidId As Integer = EgtCopy(nNewEntityId, Map.refFilledSolidPanelVM.nFilledSolidLayerId, GDB_POS.LAST_SON)
                   EgtSetName(nNewFilledSolidId, RIB_EXTRUSION)
+                  ' elimino effetti di eventuale riferimento originale
+                  EgtTransform( nNewFilledSolidId, frLayer)
                   ' elimino colore entita'
                   EgtResetColor(nNewEntityId)
                   ' lo aggiungo alla lista
@@ -665,7 +687,7 @@ Public Class MySceneHostVM
             nNewEntityId = EgtGetNext(nNewEntityId)
          End While
          EgtErase(nNewPartId)
-         ' seleziono ultima rib
+         ' seleziono ultima FilledSolid
          Map.refFilledSolidPanelVM.SelLastFilledSolid()
          EgtDraw()
          ' Imposto flag di ricalcolo slice