diff --git a/EgtStoneLib/CamAuto.vb b/EgtStoneLib/CamAuto.vb
index bbe6d52..4eec3ba 100644
--- a/EgtStoneLib/CamAuto.vb
+++ b/EgtStoneLib/CamAuto.vb
@@ -149,6 +149,14 @@ Friend Module CamAuto
       Return bOk
    End Function
 
+   Friend Function ResetAllBridges() As Boolean
+      Dim bOk As Boolean = True
+      Dim nMachGroup As Integer = EgtGetCurrMachGroup()
+      Dim nBridgesGroup As Integer = EgtGetFirstNameInGroup(nMachGroup, "Bridges")
+      bOk = EgtErase(nBridgesGroup)
+      Return bOk
+   End Function
+
    ' verifico che il contorno passato non sia stato separato
    Friend Function VerifyOutLoopIsClosed(nIdLayerOutLoop As Integer) As Boolean
       Dim nIdMy As Integer = EgtGetFirstInGroup(nIdLayerOutLoop)
diff --git a/EgtStoneLib/ConstMach.vb b/EgtStoneLib/ConstMach.vb
index 4fe8834..08507db 100644
--- a/EgtStoneLib/ConstMach.vb
+++ b/EgtStoneLib/ConstMach.vb
@@ -158,6 +158,8 @@ Module ConstMach
    Public Const NAME_UNDERDRILL As String = "UnderDrill"
    ' Nome layer preview
    Public Const NAME_PREVIEW As String = "PV"
+   Public Const NAME_BRIDGES As String = "Bridges"
+   Public Const NAME_BRIDGESLINE As String = "BridgeLine"
    ' Info in layer contorno interno per FiloTop
    Public Const INFO_FILOTOP As String = "FiloTop"
    Public Const INFO_ROUNDOFF As String = "RoundOff"
diff --git a/EgtStoneLib/CurrentMachine.vb b/EgtStoneLib/CurrentMachine.vb
index c95557d..1efb345 100644
--- a/EgtStoneLib/CurrentMachine.vb
+++ b/EgtStoneLib/CurrentMachine.vb
@@ -1415,6 +1415,16 @@ Friend Property sCurrMillNoTip As String
       OmagOFFICEMap.refMachinePanelVM.NotifyPropertyChanged(NameOf(OmagOFFICEMap.refMachinePanelVM.WjDb_Visibility))
    End Sub
 
+   ' recupro dalla lista delle macchine l'oggetto associato al nome indicato
+   Public Sub GetMachineClass(sMachineName As String)
+      For Each Item In OmagOFFICEMap.refMachinePanelVM.MachineList
+         If Item.Name = sMachineName Then
+            OmagOFFICEMap.refMachinePanelVM.SelectedMachine = Item
+            Exit For
+         End If
+      Next
+   End Sub
+
    Public Sub LoadWJMaterial(Optional bIsStart As Boolean = False)
       Dim TempCurrMat As Material = CurrMat
       ' Svuoto l'attuale lista di materiali e delle qualità
diff --git a/MachinePanel/MyMachinePanelVM.vb b/MachinePanel/MyMachinePanelVM.vb
index 959b536..0c8e8be 100644
--- a/MachinePanel/MyMachinePanelVM.vb
+++ b/MachinePanel/MyMachinePanelVM.vb
@@ -95,16 +95,19 @@ Public Class MyMachinePanelVM
       OmagOFFICEMap.SetRefMachinePanelVM(Me)
       ' recupero cartella radice delle macchine
       m_sMachinesRoot = OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot
-      ' Carica macchine da cartella delle macchine
-      Machine.MachineListInit(m_sMachinesRoot, MachineList)
-      ' Inizializzo valori visibilità parametri Db utensili e lavorazioni
-      OmagOFFICETMDbParamVisibility.Init()
    End Sub
 
 #End Region    ' CONSTRUCTOR
 
 #Region "METHODS"
 
+   Public Sub Init( sMchRoots As String)
+      ' procedo ad inizializzare la classe → carico la lista "MachineList" che visualizzo per l'inserimento di nuovi MachGroup
+      Machine.MachineListInit(sMchRoots, MachineList)
+      ' Inizializzo valori visibilità parametri Db utensili e lavorazioni
+      OmagOFFICETMDbParamVisibility.Init()
+   End Sub
+
    ''' <summary>
    ''' Execute the Exec.  This method is invoked by the ExecCommand.
    ''' </summary>
diff --git a/MainWindow/MainWindowM.vb b/MainWindow/MainWindowM.vb
index cd6d1c4..62af047 100644
--- a/MainWindow/MainWindowM.vb
+++ b/MainWindow/MainWindowM.vb
@@ -86,13 +86,29 @@ Public Class MainWindowM
          Return m_sTempDir
       End Get
    End Property
+
+   '------------------INIZIO Gestione elenco direttori macchine ------------------
+
+   Private m_sMachinesRootList As New List(Of String)
+   Friend ReadOnly Property sMachinesRootList As List(Of String)
+      Get
+         Return m_sMachinesRootList
+      End Get
+   End Property
+
+   '------------------FINE Gestione elenco direttori macchine ------------------
+
    Private m_sMachinesRoot As String
-   Friend ReadOnly Property sMachinesRoot As String
+   Friend Property sMachinesRoot As String
       Get
          Return m_sMachinesRoot
       End Get
+      Set(value As String)
+         m_sMachinesRoot = value
+      End Set
    End Property
    Private m_sToolMakersDir As String
+
    Friend ReadOnly Property sToolMakersDir As String
       Get
          Return m_sToolMakersDir
@@ -172,6 +188,16 @@ Public Class MainWindowM
       If GetMainPrivateProfileString(S_MACH, K_MACHINESDIR, "", m_sMachinesRoot) = 0 Then
          m_sMachinesRoot = m_sDataRoot & "\" & MACHINES_DFL_DIR
       End If
+      ' Carico elenco dei direttori macchina
+      If Not String.IsNullOrEmpty(m_sMachinesRoot) Then m_sMachinesRootList.Add(m_sMachinesRoot)
+      Dim nIndexDir As Integer = 1
+      Dim sCurrMachineDir As String = String.Empty
+      While GetMainPrivateProfileString(S_MACH, K_MACHINESDIR & nIndexDir.ToString, "", sCurrMachineDir) <> 0
+         If VerifyMachineIsUnique(sCurrMachineDir) Then
+            m_sMachinesRootList.Add(sCurrMachineDir)
+         End If
+         nIndexDir += 1
+      End While
       ' Impostazione direttorio per toolmakers
       If GetMainPrivateProfileString(S_MACH, K_TOOLMAKERSDIR, "", m_sToolMakersDir) = 0 Then
          m_sToolMakersDir = m_sDataRoot & "\" & TOOLMAKERS_DFL_DIR
@@ -279,6 +305,16 @@ Public Class MainWindowM
       EgtPHOTOLib.MainData.SetKey(sIdKey)
    End Sub
 
+   ' verifico che il nome da inserire non esista già in elenco
+   Private Function VerifyMachineIsUnique(sMachDir As String) As Boolean
+      For Each sDir As String In m_sMachinesRootList
+         If sDir.ToLower.Trim = sMachDir.ToLower.Trim Then
+            Return False
+         End If
+      Next
+      Return True
+   End Function
+
    Private Sub ManageInstance()
       Dim bCreated As Boolean
       Try
diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index bd8943d..7f7623c 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -69,6 +69,6 @@ Imports System.Windows
 ' by using the '*' as shown below:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("2.4.6.1")>
-<Assembly: AssemblyFileVersion("2.4.6.1")>
+<Assembly: AssemblyVersion("2.4.9.2")>
+<Assembly: AssemblyFileVersion("2.4.9.2")>
 
diff --git a/MyMachGroupPanel/MyMachGroupPanelVM.vb b/MyMachGroupPanel/MyMachGroupPanelVM.vb
index 9ba82b1..5aad441 100644
--- a/MyMachGroupPanel/MyMachGroupPanelVM.vb
+++ b/MyMachGroupPanel/MyMachGroupPanelVM.vb
@@ -33,19 +33,21 @@ Public Class MyMachGroupPanelVM
 
    Sub New()
       MyBase.New()
-      ' Recupero la macchina di default
-      Dim sDefaultMachine As String = String.Empty
-      GetMainPrivateProfileString(S_MACH, K_CURRMACH, "", sDefaultMachine)
       ' Creo riferimento a questa classe in OmagOFFICEMap
       OmagOFFICEMap.SetRefMachGroupPanelVM(Me)
-      InitMachGroupPanel(True, OmagOFFICEMap.refMachinePanelVM.MachineList.ToList(),
-                     sDefaultMachine, BASE_MACH_GROUP & "1")
    End Sub
 
 #End Region    ' CONSTRUCTOR
 
 #Region "METHODS"
 
+   Public Sub Init()
+      ' Recupero la macchina di default
+      Dim sDefaultMachine As String = String.Empty
+      GetMainPrivateProfileString(S_MACH, K_CURRMACH, "", sDefaultMachine)
+      InitMachGroupPanel(True, OmagOFFICEMap.refMachinePanelVM.MachineList.ToList(), sDefaultMachine, BASE_MACH_GROUP & "1")
+   End Sub
+
    Public Overrides Sub AddMachGroup()
       If NewMachGroup() Then
          ' creo oggetto gruppo creato
@@ -99,6 +101,8 @@ Public Class MyMachGroupPanelVM
       ' Salvo macchina del gruppo come nuovo default
       Dim sCurrMachName As String = String.Empty
       EgtGetCurrMachineName(sCurrMachName)
+      CurrentMachine.GetMachineClass(sCurrMachName)
+      OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot = Path.GetDirectoryName(OmagOFFICEMap.refMachinePanelVM.SelectedMachine.DirPath)
       WriteMainPrivateProfileString(S_MACH, K_CURRMACH, sCurrMachName)
       ' Ricarico la macchina corrente
       InitCurrentMachine(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, sCurrMachName,
@@ -152,6 +156,8 @@ Public Class MyMachGroupPanelVM
    Public Overrides Function OnPostSetCurrMachGroup() As Boolean
       ' Imposto vista solo tavola
       EgtSetMachineLook(MCH_LOOK.TAB)
+      CurrentMachine.GetMachineClass(SelectedMachGroup.Machine)
+      OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot = Path.GetDirectoryName(OmagOFFICEMap.refMachinePanelVM.SelectedMachine.DirPath)
       ' Ricarico la macchina corrente
       InitCurrentMachine(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, SelectedMachGroup.Machine,
                          OmagOFFICEMap.refMainWindowVM.MainWindowM.GetKeyOption(KEY_OPT.PRODUCTION_LINE),
diff --git a/MySceneHost/MySceneHostVM.vb b/MySceneHost/MySceneHostVM.vb
index ff08e90..bcb8748 100644
--- a/MySceneHost/MySceneHostVM.vb
+++ b/MySceneHost/MySceneHostVM.vb
@@ -33,8 +33,13 @@ Public Class MySceneHostVM
          ' Recupero e imposto handle finestra principale
          Dim hMainWnd As IntPtr = New WindowInteropHelper(Application.Current.MainWindow).Handle
          EgtSetMainWindowHandle(hMainWnd)
+         ' Recupero l'elenco dei direttori radice macchina come stringa del tipo "..\Dir1\Example01|..\Dir2\|Example02"
+         Dim sMchRoots As String = GetMachineBaseDirs()
          ' inizializzo gestore lavorazioni
-         EgtInitMachMgr(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, OmagOFFICEMap.refMainWindowVM.MainWindowM.sToolMakersDir)
+         EgtInitMachMgr(sMchRoots, OmagOFFICEMap.refMainWindowVM.MainWindowM.sToolMakersDir)
+         ' inizializzo gestione più macchine
+         OmagOFFICEMap.refMachinePanelVM.Init(sMchRoots)
+         OmagOFFICEMap.refMachGroupPanelVM.Init()
          Return
       End If
       ' Problemi
@@ -157,6 +162,18 @@ Public Class MySceneHostVM
       MainScene.SetStatusNull()
    End Sub
 
+   Private Function GetMachineBaseDirs() As String
+      ' Trasformo l'elenco dei direttori radice macchina in una stringa del tipo "..\Dir1\Example01|..\Dir2\|Example02"
+      Dim sMchRoots As String = ""
+      For Each MachDir In OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRootList
+         sMchRoots &= MachDir & "|"
+      Next
+      ' rimuovo dalla stringa l'ultimo carattere "|" inserito
+      sMchRoots = sMchRoots.Remove(sMchRoots.Length - 1, 1)
+      If String.IsNullOrEmpty( sMchRoots) Then sMchRoots = OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot
+      Return sMchRoots
+   End Function
+
 #End Region    ' METHODS
 
 #Region "ProjectManager"
@@ -240,7 +257,9 @@ Public Class MySceneHostVM
       ' Creo un contesto separato con gestore lavorazioni per poter spezzettare il progetto
       Dim nCurrCtx As Integer = EgtGetCurrentContext()
       Dim nCtx As Integer = EgtInitContext()
-      EgtInitMachMgr(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, OmagOFFICEMap.refMainWindowVM.MainWindowM.sToolMakersDir)
+      ' Recupero l'elenco dei direttori radice macchina come stringa del tipo "..\Dir1\Example01|..\Dir2\|Example02"
+      Dim sMchRoots As String = GetMachineBaseDirs()
+      EgtInitMachMgr(sMchRoots, OmagOFFICEMap.refMainWindowVM.MainWindowM.sToolMakersDir)
       ' Per ogni gruppo di lavoro
       For Each nMchGrpId As Integer In vMchGrps
          ' Carico il progetto
@@ -314,6 +333,8 @@ Public Class MySceneHostVM
          Dim sMachine As String = String.Empty
          EgtGetInfo(nMchGrpId, "Machine", sMachine)
          If Not String.IsNullOrEmpty(sMachine) Then
+            CurrentMachine.GetMachineClass(sMachine)
+            OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot = Path.GetDirectoryName(OmagOFFICEMap.refMachinePanelVM.SelectedMachine.DirPath)
             InitCurrentMachine(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, sMachine,
                          OmagOFFICEMap.refMainWindowVM.MainWindowM.GetKeyOption(KEY_OPT.PRODUCTION_LINE),
                          OmagOFFICEMap.refMainWindowVM.MainWindowM.GetKeyOption(KEY_OPT.ENABLE_MILL),
@@ -347,6 +368,8 @@ Public Class MySceneHostVM
          ' Salvo il file
          If Not EgtSaveFile(sFileDest, NGE.CMPTEXT) Then bOk = False
       Next
+      CurrentMachine.GetMachineClass(CurrentSelectedMachGroup)
+      OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot = Path.GetDirectoryName(OmagOFFICEMap.refMachinePanelVM.SelectedMachine.DirPath)
       ' reimposto la macchina corrente
       InitCurrentMachine(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, CurrentSelectedMachGroup,
                          OmagOFFICEMap.refMainWindowVM.MainWindowM.GetKeyOption(KEY_OPT.PRODUCTION_LINE),
@@ -404,7 +427,9 @@ Public Class MySceneHostVM
       ' Creo un contesto separato con gestore lavorazioni per poter spezzettare il progetto
       Dim nCurrCtx As Integer = EgtGetCurrentContext()
       Dim nCtx As Integer = EgtInitContext()
-      EgtInitMachMgr(OmagOFFICEMap.refMainWindowVM.MainWindowM.sMachinesRoot, OmagOFFICEMap.refMainWindowVM.MainWindowM.sToolMakersDir)
+      ' Recupero l'elenco dei direttori radice macchina come stringa del tipo "..\Dir1\Example01|..\Dir2\|Example02"
+      Dim sMchRoots As String = GetMachineBaseDirs()
+      EgtInitMachMgr(sMchRoots, OmagOFFICEMap.refMainWindowVM.MainWindowM.sToolMakersDir)
       ' Per ogni gruppo di lavoro
       For Each nMchGrpId As Integer In vMchGrps
          ' Carico il progetto
@@ -797,6 +822,7 @@ Public Class MySceneHostVM
          Case OptionPanelVM.Tabs.NESTING
             OmagOFFICEMap.refNestingTabVM.OnKeyDownScene(sender, e)
          Case OptionPanelVM.Tabs.MACHINING
+            OmagOFFICEMap.refSplitModeVM.OnKeyDownScene(sender, e)
          Case OptionPanelVM.Tabs.SIMUL
       End Select
    End Sub
diff --git a/OptionPanel/MachiningTab/SplitModeV.xaml b/OptionPanel/MachiningTab/SplitModeV.xaml
index 99c4c99..ddbcfe3 100644
--- a/OptionPanel/MachiningTab/SplitModeV.xaml
+++ b/OptionPanel/MachiningTab/SplitModeV.xaml
@@ -69,23 +69,38 @@
          <StackPanel>
             
             <UniformGrid Columns="3" Margin="0,0,0,5">
-
-               <Button Content="{Binding CutMsg}"
-                       Style="{StaticResource OptionPanel_TextWrapButton}"
-                       Command="{Binding CutCommand}"
-                       Visibility="{Binding CutBtnVisibility}"
-                       Margin="0,0,2.5,0"/>
+                <Grid>
+                   <Button Content="{Binding CutMsg}"
+                           Style="{StaticResource OptionPanel_TextWrapButton}"
+                           Command="{Binding CutCommand}"
+                           Visibility="{Binding CutBtnVisibility}"
+                           Margin="0,0,2.5,0"/>
+                   <ToggleButton Grid.Row="0"
+                           Content="{Binding BridgeMsg}"           
+                           Style="{StaticResource OptionPanel_ToggleWrapButton}"
+                           IsChecked="{Binding BridgeBtn_IsChecked}"
+                           Visibility="{Binding BridgeBtnVisibility}"
+                           Margin="0,0,2.5,0" Padding="0"/>
+                </Grid>
+                
                <Button Content="{Binding CutStartMsg}"
                        Style="{StaticResource OptionPanel_TextWrapButton}"
                        Command="{Binding CutStartCommand}"
                        Visibility="{Binding CutStartBtnVisibility}"
                        Margin="2.5,0,2.5,0"/>
-               <Button Content="{Binding CutEndMsg}"
-                       Style="{StaticResource OptionPanel_TextWrapButton}"
-                       Command="{Binding CutEndCommand}"
-                       Visibility="{Binding CutEndBtnVisibility}"
-                       Margin="2.5,0,0,0"/>
-               
+               <Grid>
+                  <Button Content="{Binding CutEndMsg}"
+                          Style="{StaticResource OptionPanel_TextWrapButton}"
+                          Command="{Binding CutEndCommand}"
+                          Visibility="{Binding CutEndBtnVisibility}"
+                          Margin="2.5,0,0,0"/>
+                  <ToggleButton Grid.Row="0"
+                         Content="{Binding BridgeDeleteMsg}"      
+                         Style="{StaticResource OptionPanel_ToggleWrapButton}"
+                         IsChecked="{Binding BridgeDeleteBtn_IsChecked}"
+                         Visibility="{Binding BridgeDeleteBtnVisibility}"
+                         Margin="2.5,0,0,0" Padding="0"/>
+               </Grid>
             </UniformGrid>
 
             <Grid Visibility="{Binding AllExtRedVisibility}">
@@ -138,23 +153,25 @@
             </UniformGrid>
 
             <UniformGrid Columns="3" Margin="0,0,0,5">
-
+              
                <Button Content="{Binding OutCenEndMsg}"
                        Style="{StaticResource OptionPanel_TextWrapButton}"
                        Command="{Binding OutCenEndCommand}"
                        Visibility="{Binding OutCenEndBtnVisibility}"
                        Margin="0,0,2.5,0" Padding="0"/>
+
                <Button Content="{Binding AllOutEndMsg}"
-                       Style="{StaticResource OptionPanel_TextWrapButton}"
-                       Command="{Binding AllOutEndCommand}"
-                       Visibility="{Binding AllOutEndBtnVisibility}"
-                       Margin="2.5,0,2.5,0"/>
+                   Style="{StaticResource OptionPanel_TextWrapButton}"
+                   Command="{Binding AllOutEndCommand}"
+                   Visibility="{Binding AllOutEndBtnVisibility}"
+                   Margin="2.5,0,2.5,0"/>
+
                <Button Content="{Binding AllCenEndMsg}"
                        Style="{StaticResource OptionPanel_TextWrapButton}"
                        Command="{Binding AllCenEndCommand}"
                        Visibility="{Binding AllCenEndBtnVisibility}"
                        Margin="2.5,0,0,0"/>
-               
+
             </UniformGrid>
 
             <UniformGrid Columns="3" Margin="0,0,0,5">
diff --git a/OptionPanel/MachiningTab/SplitModeVM.vb b/OptionPanel/MachiningTab/SplitModeVM.vb
index 11912cb..939bfa6 100644
--- a/OptionPanel/MachiningTab/SplitModeVM.vb
+++ b/OptionPanel/MachiningTab/SplitModeVM.vb
@@ -25,6 +25,20 @@ Public Class SplitModeVM
    ' verifico che le lavorazioni selezionate siano omogenee (con lo stesso utensile)
    Private m_bAreHomogeneous As Boolean = False
 
+   ' Id tagli WJ per generazione ponticelli tra due percorsi
+   Private m_nIdSelectedPartWJ_Srt As Integer = GDB_ID.NULL
+   Private m_nIdSelectedSideWJ_Srt As Integer = GDB_ID.NULL
+   Private m_nIdSelectedWaterJet_Srt As Integer = GDB_ID.NULL
+   Private m_nIdSelectedPartWJ_End As Integer = GDB_ID.NULL
+   Private m_nIdSelectedSideWJ_End As Integer = GDB_ID.NULL
+   Private m_nIdSelectedWaterJet_End As Integer = GDB_ID.NULL
+   ' Id gruppo Bridges (Nuovo da versione 30/08/2022)
+   Private m_nIdBridgesGroup As Integer = GDB_ID.NULL
+   'Private m_nIdBridgeLineGroup As Integer = GDB_ID.NULL
+   Private m_nIdBridge As Integer = GDB_ID.NULL
+   Private m_ptSrtBridge As New Point3d
+   Private m_ptEndBridge As New Point3d
+
    ' Flag di pagina attiva
    Private m_bActive As Boolean = False
    ' Drag
@@ -230,6 +244,52 @@ Public Class SplitModeVM
       End Set
    End Property
 
+   Private m_BridgeBtnVisibility As Visibility = Visibility.Hidden
+   Public Property BridgeBtnVisibility As Visibility
+      Get
+         Return m_BridgeBtnVisibility
+      End Get
+      Set(value As Visibility)
+         m_BridgeBtnVisibility = value
+         NotifyPropertyChanged(NameOf(BridgeBtnVisibility))
+      End Set
+   End Property
+
+   Private m_BridgeDeleteBtnVisibility As Visibility = Visibility.Hidden
+   Public Property BridgeDeleteBtnVisibility As Visibility
+      Get
+         Return m_BridgeDeleteBtnVisibility
+      End Get
+      Set(value As Visibility)
+         m_BridgeDeleteBtnVisibility = value
+         NotifyPropertyChanged(NameOf(BridgeDeleteBtnVisibility))
+      End Set
+   End Property
+
+   Private m_BridgeBtn_IsChecked As Boolean = False
+   Public Property BridgeBtn_IsChecked As Boolean
+      Get
+         Return m_BridgeBtn_IsChecked
+      End Get
+      Set(value As Boolean)
+         m_BridgeBtn_IsChecked = value
+         BridgeIsChecked()
+         NotifyPropertyChanged(NameOf(BridgeBtn_IsChecked))
+      End Set
+   End Property
+
+   Private m_BridgeDeleteBtn_IsChecked As Boolean = False
+   Public Property BridgeDeleteBtn_IsChecked As Boolean
+      Get
+         Return m_BridgeDeleteBtn_IsChecked
+      End Get
+      Set(value As Boolean)
+         m_BridgeDeleteBtn_IsChecked = value
+         BridgeDeleteIsChecked()
+         NotifyPropertyChanged(NameOf(BridgeDeleteBtn_IsChecked))
+      End Set
+   End Property
+
 #Region "Messages"
 
    Public ReadOnly Property OnOffMsg As String
@@ -340,6 +400,18 @@ Public Class SplitModeVM
       End Get
    End Property
 
+   Public ReadOnly Property BridgeMsg As String
+      Get
+         Return "Bridge"
+      End Get
+   End Property
+
+   Public ReadOnly Property BridgeDeleteMsg As String
+      Get
+         Return "Delete Bridge"
+      End Get
+   End Property
+
 #End Region    ' Messages
 
    ' Definizione comandi
@@ -379,6 +451,11 @@ Public Class SplitModeVM
 
    Friend Function InitSplitRaw() As Boolean
       m_bActive = True
+      ' aggiorno la visualizzazione dei comandi per generare i bridge
+      m_BridgeBtn_IsChecked = False
+      NotifyPropertyChanged(NameOf(BridgeBtn_IsChecked))
+      m_BridgeDeleteBtn_IsChecked = False
+      NotifyPropertyChanged(NameOf(BridgeDeleteBtn_IsChecked))
       'm_CurrProjPage = m_MainWindow.m_CurrentProjectPageUC
       m_nDragInd = -1
       m_nDragType = 0
@@ -445,6 +522,9 @@ Public Class SplitModeVM
 
    Friend Function ExitSplitRaw(Optional bTrueExit As Boolean = True) As Boolean
       m_bActive = False
+      ' eventualmente interrompo la creazione dei ponticelli
+      DeselectWJBridgesPart()
+
       ' Rimuovo evidenziazione e numeri
       RemoveMarkAndNumbers()
       ' Ripristino colori lavorazioni
@@ -796,6 +876,21 @@ Public Class SplitModeVM
          AllReduceBtnVisibility = Visibility.Visible
       End If
 
+      ' gestione bottone per generazione ponticelli
+      If Type = MCH_OY.WATERJETTING Then
+         ' siccome la stessa posizione è occupata da due comandi sovrapposti
+         If CutBtnVisibility = Visibility.Hidden Then
+            BridgeBtnVisibility = Visibility.Visible
+            BridgeDeleteBtnVisibility = Visibility.Visible
+         Else
+            BridgeBtnVisibility = Visibility.Hidden
+            BridgeDeleteBtnVisibility = Visibility.Hidden
+         End If
+      Else
+         BridgeBtnVisibility = Visibility.Hidden
+         BridgeDeleteBtnVisibility = Visibility.Hidden
+      End If
+
    End Sub
 
    Private Function ModifyOtherLeadIn(nI As Integer, nLiOthType As Integer) As Boolean
@@ -1060,6 +1155,45 @@ Public Class SplitModeVM
       EgtSetInfo(m_MachiningList(nI).m_nId, INFO_MCH_USER_EAL, dOrigUsal)
    End Sub
 
+   Private Sub BridgeIsChecked()
+      ' eventualmente spengo il comando per eliminare i ponticelli
+      If m_BridgeDeleteBtn_IsChecked Then
+         m_BridgeDeleteBtn_IsChecked = False
+         NotifyPropertyChanged(NameOf(BridgeDeleteBtn_IsChecked))
+      End If
+      ' se deseleziono resetto tutte le variabili
+      If Not m_BridgeBtn_IsChecked Then
+         ' se sono in fase di creazione di un ponticello interrompo
+         DeselectWJBridgesPart()
+         Return
+      End If
+      ' recuoero il gruppo di lavorazione corrente
+      Dim nIdCurrMachGroup As Integer = EgtGetCurrMachGroup()
+      ' creo il gruppo per i ponticelli
+      Dim sNameGroup As String = NAME_BRIDGES
+      Dim nId As Integer = EgtGetFirstNameInGroup(nIdCurrMachGroup, sNameGroup)
+      If nId <> GDB_ID.NULL Then
+         m_nIdBridgesGroup = nId
+      End If
+      ' se non lo trovo allora lo creo
+      If nId = GDB_ID.NULL Then
+         m_nIdBridgesGroup = EgtCreateGroup(nIdCurrMachGroup)
+         EgtSetName(m_nIdBridgesGroup, NAME_BRIDGES)
+      End If
+   End Sub
+
+   Private Sub BridgeDeleteIsChecked()
+      ' eventualmente spengo il comando per inserire i ponticelli
+      If m_BridgeBtn_IsChecked Then
+         m_BridgeBtn_IsChecked = False
+         NotifyPropertyChanged(NameOf(BridgeBtn_IsChecked))
+      End If
+
+      If Not m_BridgeDeleteBtn_IsChecked Then
+         DeselectWJBridgesPart()
+      End If
+   End Sub
+
 #End Region    ' METHODS
 
 #Region "COMMANDS"
@@ -2159,8 +2293,6 @@ Public Class SplitModeVM
 
 #Region "InvertCommand"
 
-#End Region    ' InvertComman
-
    Public ReadOnly Property InvertCommand As ICommand
       Get
          If m_cmdInvert Is Nothing Then
@@ -2217,10 +2349,187 @@ Public Class SplitModeVM
       Next
    End Sub
 
+#End Region    ' InvertComman
+
 #End Region       ' COMMANDS
 
 #Region "EVENTS"
 
+#Region "BRIDGE"
+
+   Private Sub OnMyMouseDownSceneBridges(sender As Object, e As System.Windows.Forms.MouseEventArgs,
+                                         ByVal IsFirst As Boolean,
+                                         ByRef m_nIdSelectedSideWJ As Integer,
+                                         ByRef m_nIdSelectedWaterJet As Integer,
+                                         ByRef nIdParentPart As Integer)
+
+      ' Acquisisco punto da disegno
+      Dim CurrPoint As New Point3d
+      EgtUnProjectPoint(e.Location, CurrPoint)
+
+      ' Verifico se selezionato indicativo di pezzo
+      EgtSetObjFilterForSelWin(False, True, False, False, False)
+      Dim nSelMy As Integer
+      EgtSelect(e.Location, Scene.DIM_SEL, Scene.DIM_SEL, nSelMy)
+      Dim nIdMy As Integer = EgtGetFirstObjInSelWin()
+      While nIdMy <> GDB_ID.NULL
+         Dim sLayer As String = String.Empty
+         ' layer di origine
+         Dim nIdParent As Integer = EgtGetParent(nIdMy)
+         ' recupero il nome del Layer
+         EgtGetName(nIdParent, sLayer)
+         ' solo se il nome del layer è quello associato ad un lato esterno allora procedo con l'evidenziazione
+         If sLayer = NAME_OUTLOOP Then
+            If EgtGetType(nIdMy) = GDB_TY.CRV_ARC OrElse EgtGetType(nIdMy) = GDB_TY.CRV_COMPO OrElse EgtGetType(nIdMy) = GDB_TY.CRV_LINE Then
+               If m_nIdSelectedSideWJ <> GDB_ID.NULL Or m_nIdSelectedSideWJ = nIdMy Then
+                  EgtDeselectObj(m_nIdSelectedSideWJ)
+               End If
+               ' recupero il gruppo della lavorazione associata
+               nIdParentPart = EgtGetParent(nIdParent)
+               Dim nIdPV As Integer = EgtGetFirstNameInGroup(nIdParentPart, NAME_PREVIEW)
+               ' VERIFICA: recupero l'elenco delle Preview di Tipo WaterJet associate a questo Part
+               Dim ListGroup As List(Of Integer) = OmagOFFICEMap.refNestingTabVM.ResearchGropuWJ(nIdParent, nIdPV)
+               ' VERIFICA: se esistono delle lavorazioni associate al percorso OutLoop di tipo Saw allora non procedo
+               Dim ListGroupSaw As List(Of Integer) = OmagOFFICEMap.refNestingTabVM.ResearchGropuSaw(nIdParent, nIdPV)
+               ' se non esiste almeno 1 Preview di tipo WaterJet
+               If ListGroup.Count > 0 Then
+                  m_nIdSelectedSideWJ = nIdMy
+                  ' recupero l'indice del PreView che deve essere acceso per indicare la selezione
+                  ListGroup = OmagOFFICEMap.refNestingTabVM.ResearchGropuWJ(nIdParent, nIdPV)
+                  Dim nIdWJ As Integer = OmagOFFICEMap.refNestingTabVM.GetPVIdFromIdSide(ListGroup, nIdMy)
+                  OmagOFFICEMap.refNestingTabVM.GetCurrentPVFromIdSide(ListGroup, nIdMy, nIdWJ, nIdParent)
+                  ' recupero il punto più vicino alla curva passata
+                  If IsFirst Then
+                     EgtNearPoint(nIdMy, CurrPoint, GDB_RT.GLOB, m_ptSrtBridge)
+                  Else
+                     ' prima di confermare verifico che non ci siano interferenze
+                     EgtNearPoint(nIdMy, CurrPoint, GDB_RT.GLOB, m_ptEndBridge)
+                     EgtModifyCurveEndPoint(m_nIdBridge, m_ptEndBridge, GDB_RT.GLOB)
+                     If VerifyInterference(m_nIdBridge) Then
+                        OmagOFFICEMap.refStatusBarVM.ClearOutputMessage()
+                        EgtSetInfo(m_nIdBridge, "PartStart", m_nIdSelectedPartWJ_Srt)
+                        EgtSetInfo(m_nIdBridge, "PartEnd", m_nIdSelectedPartWJ_End)
+                        EgtSetInfo(m_nIdBridge, "Ph", EgtGetCurrPhase())
+                        ' Ricalcolo tutte le lavorazioni
+                        Dim nWarn As Integer = 0
+                        ResetAllMachinings(nWarn)
+                     Else
+                        ' attendo la selezione di un punto valido
+                        m_nIdSelectedSideWJ = GDB_ID.NULL
+                        m_nIdSelectedWaterJet = GDB_ID.NULL
+                        nIdParentPart = GDB_ID.NULL
+                        OmagOFFICEMap.refStatusBarVM.ClearOutputMessage()
+                        OmagOFFICEMap.refStatusBarVM.SetOutputMessage("Bridge intersects part", 3, MSG_TYPE.ERROR_)
+                        Return
+                     End If
+                  End If
+                  m_nIdSelectedWaterJet = nIdWJ
+                  ' salvo il valore del PreView evidenziato
+                  EgtSetMark(nIdParentPart)
+                  ' EgtSetMark(nIdWJ)
+                  EgtSelectObj(nIdMy)
+                  EgtDraw()
+                  Exit While
+               End If
+            End If
+         End If
+         nIdMy = EgtGetNextObjInSelWin()
+      End While
+   End Sub
+
+   Private Sub OnMyMouseDownSceneBridgesDelete(sender As Object, e As System.Windows.Forms.MouseEventArgs)
+      ' Acquisisco punto da disegno
+      Dim CurrPoint As New Point3d
+      EgtUnProjectPoint(e.Location, CurrPoint)
+
+      ' Verifico se selezionato indicativo di pezzo
+      EgtSetObjFilterForSelWin(False, True, False, False, False)
+      Dim nSelMy As Integer
+      EgtSelect(e.Location, Scene.DIM_SEL, Scene.DIM_SEL, nSelMy)
+      Dim nIdMy As Integer = EgtGetFirstObjInSelWin()
+      While nIdMy <> GDB_ID.NULL
+         Dim sGroupName As String = String.Empty
+         Dim sSelName As String = String.Empty
+         ' gruppo di appartenenza
+         Dim nIdParent As Integer = EgtGetParent(nIdMy)
+         ' recupero il nome del gruppo di appartenenza
+         EgtGetName(nIdParent, sGroupName)
+         ' recupero il nome dell'oggetto selezionato
+         EgtGetName(nIdMy, sSelName)
+         If sGroupName.Contains(NAME_BRIDGES) AndAlso sSelName.Contains(NAME_BRIDGESLINE) Then
+            EgtErase(nIdMy)
+            EgtDraw()
+            ' Ricalcolo tutte le lavorazioni
+            Dim nWarn As Integer = 0
+            ResetAllMachinings(nWarn)
+            Return
+         End If
+         nIdMy = EgtGetNextObjInSelWin()
+      End While
+   End Sub
+
+   Private Sub OnMyMouseMoveSceneBridges(ptCurr As Point3d)
+      ptCurr.z = m_ptSrtBridge.z
+      ' rappresento il egmento
+      If m_nIdBridge = GDB_ID.NULL Then
+         m_nIdBridge = EgtCreateLine(m_nIdBridgesGroup, m_ptSrtBridge, ptCurr, GDB_RT.GLOB)
+         ' assegno un nome alla linea
+         EgtSetName(m_nIdBridge, NAME_BRIDGESLINE)
+      End If
+      EgtModifyCurveEndPoint(m_nIdBridge, ptCurr, GDB_RT.GLOB)
+      EgtDraw()
+   End Sub
+
+   Private Function VerifyInterference(nIdBridge As Integer) As Boolean
+      ' prima di procedere alla verifica accorco il segmento (solo per sicurezza) 10 * EPS_SMALL
+      Dim dLen As Double
+      EgtCurveLength(nIdBridge, dLen)
+      If dLen > 21 AndAlso Not EgtCurveIsClosed(nIdBridge) Then
+         EgtTrimCurveEndAtLen(nIdBridge, dLen - 10 * EPS_SMALL)
+         EgtTrimCurveStartAtLen(nIdBridge, 10 * EPS_SMALL)
+      End If
+      ' EgtSaveFile("c:\EgtData\OmagOFFICE\Temp\Bridge.nge", NGE.BIN)
+      Dim nIdPart As Integer = GDB_ID.NULL
+      nIdPart = EgtGetFirstPartInRawPart(GetCurrentRaw())
+      While nIdPart <> GDB_ID.NULL
+         Dim nIdRegion As Integer = EgtGetFirstNameInGroup(nIdPart, NAME_REGION)
+         Dim nIdSurf As Integer = EgtGetFirstInGroup(nIdRegion)
+         While nIdSurf <> GDB_ID.NULL
+            If EgtGetType(nIdSurf) = GDB_TY.SRF_FRGN Then
+               ' se la linea bridge interseca la superficie allora restitusco false
+               If EgtCurveWithRegionClassify(nIdBridge, nIdSurf) <> CREGC.OUT Then
+                  EgtExtendCurveStartByLen(nIdBridge, 10 * EPS_SMALL)
+                  Return False
+               End If
+               Exit While
+            End If
+         End While
+         nIdPart = EgtGetNextPartInRawPart(nIdPart)
+      End While
+      Return True
+   End Function
+
+   Private Sub DeselectWJBridgesPart()
+      ' se in fase di definzione di un ponticello lo elimino
+      If m_nIdSelectedSideWJ_Srt <> GDB_ID.NULL And m_nIdSelectedSideWJ_End = GDB_ID.NULL And m_nIdBridge <> GDB_ID.NULL Then
+         EgtErase(EgtGetParent(m_nIdBridge))
+      End If
+      m_nIdBridge = GDB_ID.NULL
+      EgtResetMark(m_nIdSelectedPartWJ_Srt)
+      m_nIdSelectedPartWJ_Srt = GDB_ID.NULL
+      EgtDeselectObj(m_nIdSelectedSideWJ_Srt)
+      m_nIdSelectedSideWJ_Srt = GDB_ID.NULL
+      m_nIdSelectedWaterJet_Srt = GDB_ID.NULL
+      EgtResetMark(m_nIdSelectedPartWJ_End)
+      m_nIdSelectedPartWJ_End = GDB_ID.NULL
+      EgtDeselectObj(m_nIdSelectedSideWJ_End)
+      m_nIdSelectedSideWJ_End = GDB_ID.NULL
+      m_nIdSelectedWaterJet_End = GDB_ID.NULL
+      EgtDraw()
+   End Sub
+
+#End Region    ' Bridge
+
    Friend Sub OnMouseDownScene(sender As Object, e As System.Windows.Forms.MouseEventArgs)
       ' Verifico di essere il gestore attivo e non in modalità sola visualizzazione
       If Not m_bActive OrElse OmagOFFICEMap.refMachiningTabVM.IsShow Then Return
@@ -2229,6 +2538,27 @@ Public Class SplitModeVM
          Not OmagOFFICEMap.refSceneHostVM.MainScene.IsStatusNull() Then
          Return
       End If
+
+      ' definizione dei ponticelli
+      If m_BridgeBtn_IsChecked Then
+         If m_nIdSelectedPartWJ_Srt = GDB_ID.NULL Then
+            OnMyMouseDownSceneBridges(sender, e, True, m_nIdSelectedSideWJ_Srt, m_nIdSelectedWaterJet_Srt, m_nIdSelectedPartWJ_Srt)
+         Else
+            OnMyMouseDownSceneBridges(sender, e, False, m_nIdSelectedSideWJ_End, m_nIdSelectedWaterJet_End, m_nIdSelectedPartWJ_End)
+         End If
+         ' se entrambi i pezzi sono stati definiti allora procedo alla deselezione
+         If m_nIdSelectedPartWJ_Srt <> GDB_ID.NULL And m_nIdSelectedPartWJ_End <> GDB_ID.NULL Then
+            DeselectWJBridgesPart()
+         End If
+         Return
+      End If
+
+      ' eliminazione dei ponticelli
+      If m_BridgeDeleteBtn_IsChecked Then
+         OnMyMouseDownSceneBridgesDelete(sender, e)
+         Return
+      End If
+
       ' Reset drag
       m_nDragInd = -1
       m_nDragType = 0
@@ -2317,13 +2647,22 @@ Public Class SplitModeVM
    Friend Sub OnMyMouseMoveScene(sender As Object, e As System.Windows.Forms.MouseEventArgs)
       ' Verifico di essere il gestore attivo e non in modalità sola visualizzazione
       If Not m_bActive OrElse OmagOFFICEMap.refMachiningTabVM.IsShow Then Return
+      ' Ricavo il punto corrente in coordinate mondo
+      Dim ptCurr As Point3d
+      EgtUnProjectPoint(e.Location, ptCurr)
+
+      ' definizione dei ponticelli
+      If m_BridgeBtn_IsChecked Then
+         If m_nIdSelectedPartWJ_Srt <> GDB_ID.NULL Then
+            OnMyMouseMoveSceneBridges(ptCurr)
+         End If
+         Return
+      End If
+
       ' Se drag non abilitato o in corso
       If m_nDragInd = -1L Or m_bDragging Then Return
       m_bDragging = True
       Dim nOperId As Integer = m_MachiningList(m_nDragInd).m_nId
-      ' Ricavo il punto corrente in coordinate mondo
-      Dim ptCurr As Point3d
-      EgtUnProjectPoint(e.Location, ptCurr)
       ' Ricavo il vettore di movimento e la variazione di lunghezza
       Dim vtMove As Vector3d = ptCurr - m_ptDragPrev
       Dim dDelta = vtMove * m_MachiningList(m_nDragInd).m_vtDir
@@ -2412,6 +2751,12 @@ Public Class SplitModeVM
       End If
    End Sub
 
+   Friend Sub OnKeyDownScene(sender As Object, e As System.Windows.Forms.KeyEventArgs)
+      ' Con CANC cancello i pezzi selezionati
+      If (e.KeyData = System.Windows.Forms.Keys.Delete Or e.KeyData = System.Windows.Forms.Keys.Escape) And (m_BridgeBtn_IsChecked Or m_BridgeDeleteBtn_IsChecked) Then
+         DeselectWJBridgesPart()
+      End If
+   End Sub
 #End Region    ' EVENTS
 
    '-----------------------------------------------------------------------------------------------
diff --git a/OptionPanel/NestingTab/NestingTabVM.vb b/OptionPanel/NestingTab/NestingTabVM.vb
index 009fb23..dab520f 100644
--- a/OptionPanel/NestingTab/NestingTabVM.vb
+++ b/OptionPanel/NestingTab/NestingTabVM.vb
@@ -1871,6 +1871,8 @@ Public Class NestingTabVM
       ResetAllSplitCurv()
       ' cancello tutti i punti di inizio (Waterjet)
       ResetAllStartCurv()
+      ' cancello tutti i ponticelli disegnati
+      ResetAllBridges()
       ' Cancello tutte le lavorazioni
       CamAuto.EraseMachinings(GDB_ID.NULL)
       ' Reinserisco tutte le lavorazioni piane
@@ -2155,6 +2157,8 @@ Public Class NestingTabVM
       m_ptPrev = ptCurr
       ' Terminata esecuzione di drag
       m_bDragging = False
+      ' se è stato eseguito il Drag allora cancello tutti i ponticelli
+      ResetAllBridges()
    End Sub
 
    Friend Sub OnMouseUpScene(sender As Object, e As System.Windows.Forms.MouseEventArgs)
diff --git a/SideEntityControl/SideEntityControlVM.vb b/SideEntityControl/SideEntityControlVM.vb
index f583bec..a5c1823 100644
--- a/SideEntityControl/SideEntityControlVM.vb
+++ b/SideEntityControl/SideEntityControlVM.vb
@@ -789,18 +789,22 @@ Public Class SideEntityControlVM
       If m_CallingWindow = CallingWindowOpt.DXFIMPORT Or m_CallingWindow = CallingWindowOpt.COMPO Then
          If m_Mode = ModeOpt.SIDEANGLE Then
             For Each Entity In m_SideEntityList
-               If DirectCast(Entity, SideAngleEntity).dSideAngle <> 0 Then
-                  Dim nI As Integer = 0
-                  StringToInt(Entity.sEntityName.Substring(1), nI)
-                  CheckSide(nI)
+               If TypeOf Entity Is SideAngleEntity Then
+                  If DirectCast(Entity, SideAngleEntity).dSideAngle <> 0 Then
+                     Dim nI As Integer = 0
+                     StringToInt(Entity.sEntityName.Substring(1), nI)
+                     CheckSide(nI)
+                  End If
                End If
             Next
          Else
             For Each Entity In m_SideEntityList
-               If DirectCast(Entity, DripEntity).bHaveDrip Then
-                  Dim nI As Integer = 0
-                  StringToInt(Entity.sEntityName.Substring(1), nI)
-                  CheckSide(nI)
+               If TypeOf Entity Is DripEntity Then
+                  If DirectCast(Entity, DripEntity).bHaveDrip Then
+                     Dim nI As Integer = 0
+                     StringToInt(Entity.sEntityName.Substring(1), nI)
+                     CheckSide(nI)
+                  End If
                End If
             Next
          End If
diff --git a/Utility/OmagOFFICEDictionary.xaml b/Utility/OmagOFFICEDictionary.xaml
index e4502d4..d457c8e 100644
--- a/Utility/OmagOFFICEDictionary.xaml
+++ b/Utility/OmagOFFICEDictionary.xaml
@@ -223,7 +223,11 @@
       <Setter Property="Height" Value="30"/>
    </Style>
 
-   <Style x:Key="OptionPanel_NestingToggleButton" TargetType="{x:Type ToggleButton}" BasedOn="{StaticResource {x:Type ToggleButton}}">
+    <Style x:Key="OptionPanel_ToggleWrapButton" TargetType="{x:Type ToggleButton}" BasedOn="{StaticResource {x:Type ToggleButton}}">
+        <Setter Property="Height" Value="45"/>
+    </Style>
+
+    <Style x:Key="OptionPanel_NestingToggleButton" TargetType="{x:Type ToggleButton}" BasedOn="{StaticResource {x:Type ToggleButton}}">
       <Setter Property="Height" Value="60"/>
       <Setter Property="Width" Value="60"/>
    </Style>