diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index 5156166..d1408ce 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ
diff --git a/Milling.cpp b/Milling.cpp
index a1e0176..ba2c59c 100644
--- a/Milling.cpp
+++ b/Milling.cpp
@@ -3073,13 +3073,14 @@ Milling::AddOneWayMilling( const ICurveComposite* pCompo, const Vector3d& vtTool
       Point3d ptPer = ptPe + ( dEndElev + dSafeZ) * vtTool ;
      // verifica dei punti intermedi
       bSafeDirLinkStartEnd = true ;
-      const int N_STEP = 4 ;
-      for ( int i = 1 ; i < N_STEP ; ++ i) {
-         double dCoeff = double( i) / N_STEP ;
+      int nStep = Clamp( int( Dist( ptPsr, ptPer) / m_TParams.m_dDiam), 4, 16) ;
+      for ( int i = 1 ; i < nStep ; ++ i) {
+         double dCoeff = double( i) / nStep ;
+         Point3d ptPm = Media( ptPsr, ptPer, dCoeff) ;
          Vector3d vtCm = Media( vtCs, vtCe, dCoeff) ;
          if ( ! vtCm.Normalize())
             vtCm = vtCs ;
-         if ( ! GetPointOutOfRaw( Media( ptPsr, ptPer, dCoeff), vtTool, vtCm, dElev, dSafeZ)) {
+         if ( ! GetPointOutOfRaw( ptPm, vtTool, vtCm, dElev, dSafeZ)) {
             bSafeDirLinkStartEnd = false ;
             break ;
          }