diff --git a/VolZmapVolume.cpp b/VolZmapVolume.cpp
index 175c34a..cf8c6da 100644
--- a/VolZmapVolume.cpp
+++ b/VolZmapVolume.cpp
@@ -1688,6 +1688,13 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
         vvPtCtrl.emplace_back( PNTVECTOR( { vPntTopStartFront.back(), vPntTopStartFront.front(), vPntTopEndFront.back(), vPntTopEndFront.front() })) ;
     }
     else {
+
+        static PerformanceCounter Counter ;
+        {
+        Counter.Start() ;
+        }
+
+
         // costruisco tutti gli archi subito
         // archi inferiori front
         CurveArc cArcTipStartF1, cArcTipEndF1, cArcTipStartF2, cArcTipEndF2 ;
@@ -1730,8 +1737,6 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
         PtrOwner<CurveBezier> cBezTopStartB2(GetBasicCurveBezier(ArcToBezierCurve(&cArcTopStartB2, nDegU, bRat)));
         PtrOwner<CurveBezier> cBezTopEndB2(GetBasicCurveBezier(ArcToBezierCurve(&cArcTopEndB2, nDegU, bRat)));
 
-
-
         if ( n5AxisType == Move5Axis::NO_BASE_INTERS || n5AxisType == Move5Axis::ACROSS) {
             // inferiori
             CurveArc cArcTipStart1, cArcTipEnd1, cArcTipStart2, cArcTipEnd2 ;
@@ -1903,6 +1908,13 @@ VolZmap::Comp_5AxisMilling( int nGrid, const Point3d& ptS, const Point3d& ptE, c
             PNTVECTOR vPntTopEndBack2 = cBezTopEndB2->GetAllControlPoints() ;
             vvPtCtrl.back().insert( vvPtCtrl.back().end(), vPntTopEndBack2.rbegin(), vPntTopEndBack2.rend()) ;
         }
+
+        {
+        static double dCreationTime = 0;
+        dCreationTime += Counter.Stop();
+        string sOut = "bezier_creation = " + ToString( dCreationTime, 3) ;
+        LOG_INFO( GetEGkLogger(), sOut.c_str())
+        }
     }
 
     //debug