diff --git a/Chiseling.cpp b/Chiseling.cpp
index f57e426..0f6e9b8 100644
--- a/Chiseling.cpp
+++ b/Chiseling.cpp
@@ -330,7 +330,7 @@ Chiseling::SetGeometry( const SELVECTOR& vIds)
      // test sull'entità
       int nSubs ;
       if ( ! VerifyGeometry( Id, nSubs, nType)) {
-         string sOut = "Entity " + ToString( Id) + " skipped by Milling" ;
+         string sOut = "Entity " + ToString( Id) + " skipped by Chiseling" ;
          LOG_INFO( GetEMkLogger(), sOut.c_str()) ;
          continue ;
       }
@@ -371,7 +371,7 @@ Chiseling::Preview( bool bRecalc)
 
   // aggiorno dati geometrici dell'utensile
    if ( ! UpdateToolData()) {
-      LOG_INFO( GetEMkLogger(), "Error in Milling : UpdateToolData failed") ;
+      LOG_INFO( GetEMkLogger(), "Error in Chiseling : UpdateToolData failed") ;
       return false ;
    }
 
@@ -434,7 +434,7 @@ Chiseling::Apply( bool bRecalc)
 
   // aggiorno dati geometrici dell'utensile
    if ( ! UpdateToolData()) {
-      LOG_INFO( GetEMkLogger(), "Error in Milling : UpdateToolData failed") ;
+      LOG_INFO( GetEMkLogger(), "Error in Chiseling : UpdateToolData failed") ;
       return false ;
    }
 
@@ -608,7 +608,7 @@ Chiseling::UpdateToolData( void)
   // aggiorno i parametri
    m_TParams = *pTdata ;
    if ( ! EqualNoCase( m_Params.m_sToolName, m_TParams.m_sName)) {
-      string sLog = "Warning in Milling : tool name changed (" +
+      string sLog = "Warning in Chiseling : tool name changed (" +
                     m_Params.m_sToolName + "->" + m_TParams.m_sName +")" ;
       LOG_INFO( GetEMkLogger(), sLog.c_str()) ;
    }
@@ -807,7 +807,7 @@ Chiseling::Chain( int nGrpDestId)
       vpCrvs.emplace_back( GetCurve( Id)) ;
      // ne verifico la validità
       if ( IsNull( vpCrvs.back())) {
-         string sOut = "Entity " + ToString( Id) + " skipped by Milling" ;
+         string sOut = "Entity " + ToString( Id) + " skipped by Chiseling" ;
          LOG_INFO( GetEMkLogger(), sOut.c_str()) ;
          vpCrvs.back().Reset() ;
       }
@@ -943,6 +943,44 @@ Chiseling::ProcessPath( int nPathId, int nPvId, int nClId)
    double dThick ;
    pCompo->GetThickness( dThick) ;
 
+  // se richiesto offset
+   double dOffs = GetOffsR() ;
+   if ( abs( dOffs) > EPS_SMALL) {
+     // valore offset 
+      double dSignOffs = ( m_Params.m_nWorkSide == CHISEL_WS_RIGHT) ? dOffs : - dOffs ;
+     // flag offset
+      int nFlag = ICurve::OFF_EXTEND ;
+      // se percorso chiuso senza overlap ed inizio/fine è un angolo esterno
+      if ( pCompo->IsClosed()) {
+         Vector3d vtStart, vtEnd ;
+         if ( pCompo->GetStartDir( vtStart)  &&  pCompo->GetEndDir( vtEnd)  &&
+              ( vtEnd ^ vtStart) * vtExtr * dSignOffs > 0)
+            nFlag += ICurve::OFF_FORCE_OPEN ;
+      }
+     // esecuzione offset
+      if ( ! pCompo->SimpleOffset( dSignOffs, nFlag)) {
+        // se curva piatta, provo con offset avanzato
+         bool bOk = false ;
+         Plane3d plPlane ;
+         if ( pCompo->IsFlat( plPlane, 100 * EPS_SMALL)  &&
+              AreSameOrOppositeVectorApprox( vtExtr, plPlane.vtN)) {
+            OffsetCurve OffsCrv ;
+            if ( OffsCrv.Make( pCompo, dSignOffs, nFlag)) {
+               ICurve* pOffs = OffsCrv.GetLongerCurve() ;
+               if ( pOffs != nullptr) {
+                  pCompo->Clear() ;
+                  pCompo->AddCurve( pOffs) ;
+                  bOk = true ;
+               }
+            }
+         }
+         if ( ! bOk) {
+            LOG_INFO( GetEMkLogger(), "Error in Chiseling : Offset not computable") ;
+            return false ;
+         }
+      }
+   }
+
   // unisco le parti allineate
    if ( ! pCompo->MergeCurves( 10 * EPS_SMALL, 10 * EPS_ANG_SMALL))
       return false ;
@@ -950,7 +988,7 @@ Chiseling::ProcessPath( int nPathId, int nPvId, int nClId)
   // recupero il box del grezzo in globale
    BBox3d b3Raw ;
    if ( ! GetRawGlobBox( m_nPhase, nPathId, 0.5 * m_TParams.m_dDiam, b3Raw)  ||  b3Raw.IsEmpty()) {
-      LOG_INFO( GetEMkLogger(), "Error in Milling : Empty RawBox") ;
+      LOG_INFO( GetEMkLogger(), "Error in Chiseling : Empty RawBox") ;
       return false ;
    }
 
@@ -967,7 +1005,7 @@ Chiseling::ProcessPath( int nPathId, int nPvId, int nClId)
    double dDepth ;
    string sMyDepth = m_Params.m_sDepth ;
    if ( ! ExeLuaEvalNumExpr( ToUpper( sMyDepth), &dDepth)) {
-      LOG_INFO( GetEMkLogger(), "Error in Milling : Depth not computable") ;
+      LOG_INFO( GetEMkLogger(), "Error in Chiseling : Depth not computable") ;
       return false ;
    }
   // se spessore positivo, lo sottraggo dal risultato
@@ -1001,12 +1039,12 @@ Chiseling::ProcessPath( int nPathId, int nPvId, int nClId)
       if ( dDepth + max( dThick, 0.0) > m_TParams.m_dMaxMat) {
          dDepth =  m_TParams.m_dMaxMat - max( dThick, 0.0) ;
          dElev = m_TParams.m_dMaxMat ;
-         string sInfo = "Warning in Milling : machining depth (" + ToString( dElev, 1) +
+         string sInfo = "Warning in Chiseling : machining depth (" + ToString( dElev, 1) +
                         ") bigger than MaxMaterial (" + ToString( m_TParams.m_dMaxMat, 1) + ")" ;
          LOG_INFO( GetEMkLogger(), sInfo.c_str()) ;
       }
       else {
-         string sInfo = "Error in Milling : machining depth (" + ToString( dElev, 1) +
+         string sInfo = "Error in Chiseling : machining depth (" + ToString( dElev, 1) +
                         ") bigger than MaxMaterial (" + ToString( m_TParams.m_dMaxMat, 1) + ")" ;
          LOG_INFO( GetEMkLogger(), sInfo.c_str()) ;
          return false ;
@@ -1149,7 +1187,7 @@ Chiseling::CalcPathElevation( const ICurveComposite* pCompo, const Vector3d& vtT
             dElev = dCurrElev ;
       }
       else {
-         LOG_INFO( GetEMkLogger(), "Error in Milling : Entity GetElevation") ;
+         LOG_INFO( GetEMkLogger(), "Error in Chiseling : Entity GetElevation") ;
          return false ;
       }
       // da una parte
@@ -1159,7 +1197,7 @@ Chiseling::CalcPathElevation( const ICurveComposite* pCompo, const Vector3d& vtT
             dElev = dCurrElev ;
       }
       else {
-         LOG_INFO( GetEMkLogger(), "Error in Milling : Entity GetElevation") ;
+         LOG_INFO( GetEMkLogger(), "Error in Chiseling : Entity GetElevation") ;
          return false ;
       }
       // dall'altra parte
@@ -1169,7 +1207,7 @@ Chiseling::CalcPathElevation( const ICurveComposite* pCompo, const Vector3d& vtT
             dElev = dCurrElev ;
       }
       else {
-         LOG_INFO( GetEMkLogger(), "Error in Milling : Entity GetElevation") ;
+         LOG_INFO( GetEMkLogger(), "Error in Chiseling : Entity GetElevation") ;
          return false ;
       }
    }