diff --git a/EXE_GdbModifyVol.cpp b/EXE_GdbModifyVol.cpp
index ab9f6db..963aead 100644
--- a/EXE_GdbModifyVol.cpp
+++ b/EXE_GdbModifyVol.cpp
@@ -168,7 +168,6 @@ ExeVolZmapSetStdTool( int nId, const string& sToolName, double dLen, double dDia
   // recupero lo Zmap e assegno i dati dell'utensile
    IVolZmap* pVZM = GetVolZmap( pGeomDB->GetGeoObj( nId)) ;
    bool bOk = ( pVZM != nullptr  &&  pVZM->SetStdTool( sToolName, dLen, 0.5 * dDiam, dCornR, nFlag)) ;
-   ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
       string sLua = "EgtVolZmapSetStdTool(" + IdToString( nId) + "," +
@@ -195,7 +194,6 @@ ExeVolZmapSetAdvTool( int nId, const string& sToolName,
    IVolZmap* pVZM = GetVolZmap( pGeomDB->GetGeoObj( nId)) ;
    bool bOk = ( pVZM != nullptr  &&
                 pVZM->SetAdvTool( sToolName, dLen, dDiam / 2, dTipLen, dTipDiam / 2, dCornR, nFlag)) ;
-   ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
       string sLua = "EgtVolZmapSetAdvTool(" + IdToString( nId) + "," +
@@ -213,6 +211,33 @@ ExeVolZmapSetAdvTool( int nId, const string& sToolName,
    return bOk ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeVolZmapSetGenTool( int nId, const string& sToolName, int nToolSectId, int nFlag)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero lo Zmap
+   IVolZmap* pVZM = GetVolZmap( pGeomDB->GetGeoObj( nId)) ;
+   bool bOk = ( pVZM != nullptr) ;
+  // recupero la sezione dell'utensile
+   const ICurveComposite* pCC = GetCurveComposite( pGeomDB->GetGeoObj( nToolSectId)) ;
+   bOk = ( bOk && pCC != nullptr) ;
+  // assegno i dati dell'utensile
+   bOk = ( bOk && pVZM->SetGenTool( sToolName, pCC, nFlag)) ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtVolZmapSetGenTool(" + IdToString( nId) + "," +
+                                              sToolName + "," +
+                                              IdToString( nToolSectId) + "," +
+                                              ToString( nFlag) + ")" +
+                    " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco risultato
+   return bOk ;
+}
+
 //----------------------------------------------------------------------------
 bool
 ExeVolZmapSetMortiserTool( int nId, const string& sToolName,
@@ -224,16 +249,15 @@ ExeVolZmapSetMortiserTool( int nId, const string& sToolName,
    IVolZmap* pVZM = GetVolZmap( pGeomDB->GetGeoObj( nId)) ;
    bool bOk = ( pVZM != nullptr  &&
                 pVZM->SetMortiserTool( sToolName, dLen, dWidth, dThick, dCornR, nFlag)) ;
-   ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
       string sLua = "EgtVolZmapSetMortiserTool(" + IdToString( nId) + "," +
                                                    sToolName + "," +
-                                                  ToString( dLen) + "," +
-                                                  ToString( dWidth) + "," +
-                                                  ToString( dThick) + "," +
-                                                  ToString( dCornR) + "," +
-                                                  ToString( nFlag) + ")" +
+                                                   ToString( dLen) + "," +
+                                                   ToString( dWidth) + "," +
+                                                   ToString( dThick) + "," +
+                                                   ToString( dCornR) + "," +
+                                                   ToString( nFlag) + ")" +
                     " -- Ok=" + ToString( bOk) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
    }
@@ -252,7 +276,6 @@ ExeVolZmapSetChiselTool( int nId, const string& sToolName,
    IVolZmap* pVZM = GetVolZmap( pGeomDB->GetGeoObj( nId)) ;
    bool bOk = ( pVZM != nullptr  &&
                 pVZM->SetChiselTool( sToolName, dLen, dWidth, dThick, nFlag)) ;
-   ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
       string sLua = "EgtVolZmapSetChiselTool(" + IdToString( nId) + "," +
diff --git a/LUA_GdbModifyVol.cpp b/LUA_GdbModifyVol.cpp
index a4b19af..807175d 100644
--- a/LUA_GdbModifyVol.cpp
+++ b/LUA_GdbModifyVol.cpp
@@ -125,13 +125,34 @@ LuaVolZmapSetAdvTool( lua_State* L)
    int nFlag = 1 ;
    LuaGetParam( L, 8, nFlag) ;
    LuaClearStack( L) ;
-  // imposto utensile standard a Zmap indicato
+  // imposto utensile avanzato a Zmap indicato
    bool bOk = ExeVolZmapSetAdvTool( nId, sToolName, dLen, dDiam, dTipLen, dTipDiam, dCornR, nFlag) ;
   // restituisco il risultato
    LuaSetParam( L, bOk) ;
    return 1 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaVolZmapSetGenTool( lua_State* L)
+{
+  // 3 o 4 parametri : Id, sToolName, ToolSectId, nFlag
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   string sToolName ;
+   LuaCheckParam( L, 2, sToolName)
+   int nToolSectId ;
+   LuaCheckParam( L, 3, nToolSectId)
+   int nFlag = 1 ;
+   LuaGetParam( L, 4, nFlag) ;
+   LuaClearStack( L) ;
+  // imposto utensile generico a Zmap indicato
+   bool bOk = ExeVolZmapSetGenTool( nId, sToolName, nToolSectId, nFlag) ;
+  // restituisco il risultato
+   LuaSetParam( L, bOk) ;
+   return 1 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaVolZmapSetMortiserTool( lua_State* L)
@@ -333,6 +354,7 @@ LuaInstallGdbModifyVol( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtRemoveVolZmapPart", LuaRemoveVolZmapPart) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtVolZmapSetStdTool", LuaVolZmapSetStdTool) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtVolZmapSetAdvTool", LuaVolZmapSetAdvTool) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtVolZmapSetGenTool", LuaVolZmapSetGenTool) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtVolZmapSetMortiserTool", LuaVolZmapSetMortiserTool) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtVolZmapSetChiselTool", LuaVolZmapSetChiselTool) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtVolZmapMillingStep", LuaVolZmapMillingStep) ;