diff --git a/EGkTrimming.h b/EGkTrimming.h
index 28ce8f9..8673f67 100644
--- a/EGkTrimming.h
+++ b/EGkTrimming.h
@@ -30,6 +30,9 @@
 typedef std::vector<ISURFPOVECTOR> ISURFPOMATRIX ;
 typedef std::vector<ICRVCOMPOPOVECTOR> ICRVCOMPOPOMATRIX ;
 
+enum RegolarizeType { STD = 0,  // standard, con modifiche dirette ai punti di controllo
+                      RMF = 1}; // ricostruendo le curve usando il rotation minimizing frame
+
 //-----------------------------------------------------------------------------
 EGK_EXPORT bool GetTrimmingStmAdjTria( const ISurfTriMesh* pStm, int nStartTria, const Point3d& ptStartTria,
                                        double dAngTol, double dSize, double dSizeTol, ISurfTriMesh* pStmAdjTria) ;
@@ -57,4 +60,4 @@ EGK_EXPORT bool GetTrimmingHoleBorders( const CISURFPVECTOR& vpSurf, const Point
                                         double dSurfAngTol, double dEdgeLinTol, double dEdgeAngTol,
                                         double dEdgeThick, ICRVCOMPOPOVECTOR& vHoleBorders) ;
 EGK_EXPORT ISurfBezier* RegolarizeBordersLocally( const ISurfBezier* pSurfBz, const BIPOINT& bpIsoStart,
-                                                  const BIPOINT& bpIsoEnd, double dTol) ;
+                                                  const BIPOINT& bpIsoEnd, double dTol, int nType = RegolarizeType::STD) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 89b157f..a014ea8 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -1537,4 +1537,4 @@ EXE_EXPORT bool ExeTrimmingGetSurfBzSyncPoints( int nParentId, int nEdge1Id, int
 EXE_EXPORT bool ExeTrimmingGetHoleBorder( int nParentId, const INTVECTOR& vSurfIds, const INTVECTOR& vOtherSurfIds,
                                           double dSurfLinTol, double dSurfAngTol, double dEdgeLinTol, double dEdgeAngTol,
                                           double dEdgeThick, int& nFirstId, int& nCount) ;
-EXE_EXPORT int ExeRegolarizeSurfaceLocally( int nParentId, int nSurfId, int nSyncStartId, int nSyncEndId, double dLinTol) ;
+EXE_EXPORT int ExeRegolarizeSurfaceLocally( int nParentId, int nSurfId, int nSyncStartId, int nSyncEndId, double dLinTol, int nType) ;