diff --git a/EXE_Trimming.cpp b/EXE_Trimming.cpp
index 0614d14..71866b4 100644
--- a/EXE_Trimming.cpp
+++ b/EXE_Trimming.cpp
@@ -866,3 +866,30 @@ ExeTrimmingGetSurfBzSyncPoints( int nParentId, int nEdge1Id, int nEdge2Id, doubl
 
    return bOk ;
 }
+
+// ---------------------------------------------------------------------------
+bool
+ExeRegolarizeSurfaceLocally( int nSurfId, int nSyncStartId, int nSyncEndId, double dLinTol)
+{
+   bool bOk = true ;
+   // Verifica database geometrico
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+
+   // recupero la superficie
+   ISurfBezier* pSurfBez = GetSurfBezier( GetSurf( pGeomDB->GetGeoObj( nSurfId))) ;
+
+   // recupero le due isocurve
+   const ICurve* pSyncStart = GetCurveLine( GetCurve( pGeomDB->GetGeoObj( nSyncStartId))) ;
+   const ICurve* pSyncEnd = GetCurveLine( GetCurve( pGeomDB->GetGeoObj( nSyncEndId))) ;
+   Point3d ptS1 ; pSyncStart->GetStartPoint( ptS1) ;
+   Point3d ptE1 ; pSyncStart->GetEndPoint( ptE1) ;
+   BIPOINT bpIsoStart( ptS1, ptE1) ;
+   Point3d ptS2 ; pSyncEnd->GetStartPoint( ptS2) ;
+   Point3d ptE2 ; pSyncEnd->GetEndPoint( ptE2) ;
+   BIPOINT bpIsoEnd( ptS2, ptE2) ;
+
+   bOk = RegolarizeBordersLocally( pSurfBez, bpIsoStart, bpIsoEnd, 0.2) ;
+
+   return bOk ;
+}
\ No newline at end of file
diff --git a/Lua_Trimming.cpp b/Lua_Trimming.cpp
index 88214e3..0522d32 100644
--- a/Lua_Trimming.cpp
+++ b/Lua_Trimming.cpp
@@ -283,6 +283,24 @@ LuaTrimmingGetSurfBzSyncPoints( lua_State* L)
    return 3 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaRegolarizeSurfaceLocally( lua_State* L)
+{
+   int nSurfId = GDB_ID_NULL ;
+   LuaCheckParam( L, 1, nSurfId)
+   int nSyncStartId ;
+   LuaCheckParam( L, 2, nSyncStartId)
+   int nSyncEndId ;
+   LuaCheckParam( L, 3, nSyncEndId)
+   double dLinTol ;
+   LuaCheckParam( L, 4, dLinTol)
+   
+   bool bOk = ExeRegolarizeSurfaceLocally( nSurfId, nSyncStartId, nSyncEndId, dLinTol) ;
+   LuaSetParam( L, bOk) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 bool
 LuaInstallTrimming( LuaMgr& luaMgr)
@@ -302,5 +320,7 @@ LuaInstallTrimming( LuaMgr& luaMgr)
   // --- Recupero linee di sincronizzazione
    bOk = bOk && luaMgr.RegisterFunction( "EgtTrimmingInterpolateSyncLines", LuaTrimmingInterpolateSyncLines) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtTrimmingGetSurfBzSyncPoints", LuaTrimmingGetSurfBzSyncPoints) ;
+  // --- Modifica della superficie
+   bOk = bOk && luaMgr.RegisterFunction( "EgtRegolarizeSurfaceLocally", LuaRegolarizeSurfaceLocally) ;
    return bOk ;
 }
\ No newline at end of file