diff --git a/EXE_GdbObjects.cpp b/EXE_GdbObjects.cpp
index 3eda01f..51b52cc 100644
--- a/EXE_GdbObjects.cpp
+++ b/EXE_GdbObjects.cpp
@@ -463,6 +463,8 @@ ExeGroupDump( int nId, string& sDump)
    sDump = "Group " + ToString( nId) + "\r\n" ;
   // preparo gli attributi
    pGeomDB->DumpAttributes( nId, sDump, "\r\n") ;
+  // preparo ObjUser
+   pGeomDB->DumpObjUser( nId, sDump, "\r\n") ;
   // numero di nodi (figli)
    int nNodes = pGeomDB->GetGroupObjs( nId) ;
    sDump += "Nodes : " + ToString( nNodes) + "\r\n" ;
@@ -505,6 +507,8 @@ ExeGeoObjDump( int nId, string& sDump)
    sDump = pGeoObj->GetTitle() + " " + ToString( nId) + "\r\n" ;
   // preparo gli attributi
    pGeomDB->DumpAttributes( nId, sDump, "\r\n") ;
+  // preparo ObjUser
+   pGeomDB->DumpObjUser( nId, sDump, "\r\n") ;
   // recupero i dati geometrici
    if ( ! pGeoObj->Dump( sDump, "\r\n"))
       return false ;
diff --git a/EXE_MachMgr.cpp b/EXE_MachMgr.cpp
index 4d7285d..0187095 100644
--- a/EXE_MachMgr.cpp
+++ b/EXE_MachMgr.cpp
@@ -610,13 +610,13 @@ ExeSetCalcTool( const std::string& sTool, const std::string& sHead, int nExit)
 
 //-----------------------------------------------------------------------------
 bool
-ExeGetCalcAngles( const Vector3d& vtDirT,
+ExeGetCalcAngles( const Vector3d& vtDirT, const Vector3d& vtDirA,
                   int& nStat, double& dAngA1, double& dAngB1, double& dAngA2, double& dAngB2)
 {
    GseContext* pGseCtx = GetCurrGseContext() ;
    VERIFY_CTX_MACHMGR( pGseCtx, false)
-  // calcolo gli angoli macchina dalla direzione fresa passata
-   return pGseCtx->m_pMachMgr->GetCalcAngles( vtDirT, nStat, dAngA1, dAngB1, dAngA2, dAngB2) ;
+  // calcolo gli angoli macchina dalle direzioni fresa e ausiliaria passate
+   return pGseCtx->m_pMachMgr->GetCalcAngles( vtDirT, vtDirA, nStat, dAngA1, dAngB1, dAngA2, dAngB2) ;
 }
 
 //-----------------------------------------------------------------------------
@@ -639,3 +639,13 @@ ExeVerifyOutOfStroke( double dX, double dY, double dZ, double dAngA, double dAng
   // verifica l'extracorsa degli assi
    return pGseCtx->m_pMachMgr->VerifyOutOfStroke( dX, dY, dZ, dAngA, dAngB, nStat) ;
 }
+
+//-----------------------------------------------------------------------------
+int
+ExeAddDrilling( const string& sName)
+{
+   GseContext* pGseCtx = GetCurrGseContext() ;
+   VERIFY_CTX_MACHMGR( pGseCtx, false)
+  // verifica l'extracorsa degli assi
+   return pGseCtx->m_pMachMgr->AddDrilling( sName) ;
+}
diff --git a/EgtExecutor.rc b/EgtExecutor.rc
index 528f4e1..5562df6 100644
Binary files a/EgtExecutor.rc and b/EgtExecutor.rc differ
diff --git a/LUA_MachMgr.cpp b/LUA_MachMgr.cpp
index 7e12e59..7d7ff72 100644
--- a/LUA_MachMgr.cpp
+++ b/LUA_MachMgr.cpp
@@ -668,13 +668,15 @@ LuaSetCalcTool( lua_State* L)
 static int
 LuaGetCalcAngles( lua_State* L)
 {
-  // 1 parametro : vtDirT
+  // 1 o 2 parametri : vtDirT, vtDirA
    Vector3d vtDirT ;
    LuaCheckParam( L, 1, vtDirT)
+   Vector3d vtDirA ;
+   LuaGetParam( L, 2, vtDirA) ;
    LuaClearStack( L) ;
   // imposto la tavola corrente per il calcolo
    int  nStat ; double dAngA1 ; double dAngB1 ; double dAngA2 ; double dAngB2 ;
-   bool bOk = ExeGetCalcAngles( vtDirT, nStat, dAngA1, dAngB1, dAngA2, dAngB2) ;
+   bool bOk = ExeGetCalcAngles( vtDirT, vtDirA, nStat, dAngA1, dAngB1, dAngA2, dAngB2) ;
   // restituisco il risultato
    if ( bOk) {
       LuaSetReturn( L, bOk) ;
@@ -752,6 +754,24 @@ LuaVerifyOutOfStroke( lua_State* L)
    }
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaAddDrilling( lua_State* L)
+{
+  // 1 parametro : sName
+   string sName ;
+   LuaCheckParam( L, 1, sName)
+   LuaClearStack( L) ;
+  // aggiungo la lavorazione
+   int nId = ExeAddDrilling( sName) ;
+  // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetReturn( L, nId) ;
+   else
+      LuaSetReturn( L) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 bool
 LuaInstallMachMgr( LuaMgr& luaMgr)
@@ -797,6 +817,7 @@ LuaInstallMachMgr( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetCalcAngles", LuaGetCalcAngles) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetCalcPositions", LuaGetCalcPositions) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtVerifyOutOfStroke", LuaVerifyOutOfStroke) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtAddDrilling", LuaAddDrilling) ;
    
    return bOk ;
 }