diff --git a/EXE_GdbGetCurve.cpp b/EXE_GdbGetCurve.cpp
index f94086c..b05d061 100644
--- a/EXE_GdbGetCurve.cpp
+++ b/EXE_GdbGetCurve.cpp
@@ -163,7 +163,7 @@ ExeCurveIsFlat( int nId, Plane3d& Plane, bool bUseExtrusion, double dToler)
       return false ;
   // recupero la curva
    ICurve* pCurve = GetCurve( pGeomDB->GetGeoObj( nId)) ;
-  // ne verifico la planarità
+  // ne verifico la planarit�
    return ( pCurve != nullptr  &&  pCurve->IsFlat( Plane, bUseExtrusion, dToler)) ;
 }
 
@@ -293,7 +293,7 @@ ExeCurveNearestExtremityToPoint( int nId, const Point3d& ptP, bool& bStart)
    VERIFY_GEOMDB( pGeomDB, false)
   // recupero la curva
    ICurve* pCurve = GetCurve( pGeomDB->GetGeoObj( nId)) ;
-  // recupero quale estremo è più vicino al punto
+  // recupero quale estremo � pi� vicino al punto
    return ( pCurve != nullptr  &&  pCurve->GetNearestExtremityToPoint( ptP, bStart)) ;
 }
 
@@ -369,7 +369,7 @@ ExeCurveMinAreaRectangleXY( int nId, int nRefId, Frame3d& frRect, double& dDimX,
       PL.LocToLoc( frCrv, pGeomDB->GetGridFrame()) ;
    else if ( bOk  &&  nRefId != nId) {
       Frame3d frDest ;
-     // nRefId può essere un gruppo o una entità
+     // nRefId pu� essere un gruppo o una entit�
       if ( pGeomDB->GetGroupGlobFrame( nRefId, frDest)  ||
            pGeomDB->GetGlobFrame( nRefId, frDest))
          PL.LocToLoc( frCrv, frDest) ;
@@ -680,6 +680,7 @@ ExeCurveCompoNormVersor( int nId, int nSimpCrv, int nRefId, Vector3d& vtNorm)
    return TransformVector( pGeomDB, nId, nRefId, vtNorm) ;
 }
 
+
 //----------------------------------------------------------------------------
 int
 ExeShowCurveBezierControlPoints( int nCrvId, int* pnCount)
@@ -740,17 +741,13 @@ ExeShowCurveBezierControlPoints( int nCrvId, int* pnCount)
          //else
          //   pGeoPt->Set( pCrvBezier->GetControlPoint( i) * pCrvBezier->GetControlWeight( i)) ;
          pGeoPt->Set( pCrvBezier->GetControlPoint( i)) ;
-         int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nParent, pGeoPt) ;
-         if ( nFirstId == GDB_ID_NULL)
-            nFirstId = nId ;
-         if ( nId != GDB_ID_NULL)
-            ++nCount ;
-      }
-      // restituisco i risultati
-      if ( pnCount != nullptr)
-         *pnCount = nCount ;
-      return nFirstId ;
+      else
+         pGeoPt->Set( pCrvBezier->GetControlPoint( i) * pCrvBezier->GetControlWeight( i)) ;
+      int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nParent, pGeoPt) ;
+      if ( nFirstId == GDB_ID_NULL)
+         nFirstId = nId ;
+      if ( nId != GDB_ID_NULL)
+         ++nCount ;
    }
-   else
-      return GDB_ID_NULL ;
+   return GDB_ID_NULL ;
 }
diff --git a/EXE_GdbModifySurf.cpp b/EXE_GdbModifySurf.cpp
index f6df9d2..41265a3 100644
--- a/EXE_GdbModifySurf.cpp
+++ b/EXE_GdbModifySurf.cpp
@@ -1214,3 +1214,24 @@ ExeSurfBzTrim( int nId, int nCutterId)
    }
    return bOk ;
 }
+
+//----------------------------------------------------------------------------
+bool
+ExeSurfTmSetSmoothAng( int nId, double dAngDeg)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+   // recupero la superficie trimseh da trimmare
+   ISurfTriMesh* pSrfTm = GetSurfTriMesh( pGeomDB->GetGeoObj( nId)) ;
+   if ( pSrfTm == nullptr)
+      return false ;
+   pSrfTm->SetSmoothAngle( dAngDeg) ;
+   ExeSetModified() ;
+   // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfTmSetSmoothAng(" + ToString( nId) + "," +
+                                             ToString( dAngDeg) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   return true ;
+}
diff --git a/LUA_GdbGetCurve.cpp b/LUA_GdbGetCurve.cpp
index 78650fb..8f0b7b0 100644
--- a/LUA_GdbGetCurve.cpp
+++ b/LUA_GdbGetCurve.cpp
@@ -142,7 +142,7 @@ LuaCurveIsACircle( lua_State* L)
    double dToler = EPS_SMALL ;
    LuaGetParam( L, 2, dToler) ;
    LuaClearStack( L) ;
-  // verifico se curva è equivalente ad una circonferenza
+  // verifico se curva � equivalente ad una circonferenza
    Point3d ptCen ;
    Vector3d vtN ;
    double dRad ;
@@ -166,7 +166,7 @@ LuaCurveIsARectangle( lua_State* L)
    double dToler = EPS_SMALL ;
    LuaGetParam( L, 2, dToler) ;
    LuaClearStack( L) ;
-  // verifico se curva è equivalente ad un rettangolo
+  // verifico se curva � equivalente ad un rettangolo
    Point3d ptP ;
    Vector3d vtL1 ;
    Vector3d vtL2 ;
@@ -188,7 +188,7 @@ LuaCurveIsATrapezoid( lua_State* L)
    double dToler = EPS_SMALL ;
    LuaGetParam( L, 2, dToler) ;
    LuaClearStack( L) ;
-  // verifico se curva è equivalente ad un trapezio
+  // verifico se curva � equivalente ad un trapezio
    Point3d ptP ;
    Vector3d vtB1 ;
    Vector3d vtL1 ;
@@ -538,7 +538,7 @@ LuaShowCurveBezierControlPoints( lua_State* L)
    // 1 parametro : nCrvId
    int nCrvId ;
    LuaCheckParam( L, 1, nCrvId)
-   LuaClearStack( L) ;
+      LuaClearStack( L) ;
    int nCount = 0 ;
    int nId = ExeShowCurveBezierControlPoints( nCrvId, &nCount) ;
    // restituisco il risultato
diff --git a/LUA_GdbModifySurf.cpp b/LUA_GdbModifySurf.cpp
index 58e046d..34802cd 100644
--- a/LUA_GdbModifySurf.cpp
+++ b/LUA_GdbModifySurf.cpp
@@ -582,6 +582,22 @@ LuaSurfBzTrim( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaSurfTmSetSmoothAng( lua_State* L)
+{
+  // 2 parametri : nId, nCutterId
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   double dAngDeg ;
+   LuaCheckParam( L, 2, dAngDeg)
+   LuaClearStack( L) ;
+  // aggiorno lo smooth angle della superficie
+   bool bOk = ExeSurfTmSetSmoothAng( nId, dAngDeg) ;
+   LuaSetParam( L, bOk) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 bool
 LuaInstallGdbModifySurf( LuaMgr& luaMgr)
@@ -616,5 +632,6 @@ LuaInstallGdbModifySurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmSetShowEdges", LuaSurfTmSetShowEdges) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmGetShowEdges", LuaSurfTmGetShowEdges) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzTrim", LuaSurfBzTrim) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmSetSmoothAng", LuaSurfTmSetSmoothAng) ;
    return bOk ;
 }