diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index b3bf092..7f6a56f 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ
diff --git a/Pocketing.cpp b/Pocketing.cpp
index 107d454..d38f1f7 100644
--- a/Pocketing.cpp
+++ b/Pocketing.cpp
@@ -1386,11 +1386,20 @@ Pocketing::ProcessPath( int nPathId, int nPvId, int nClId)
       return false ;
    ICurveComposite* pCompo = GetCurveComposite( m_pGeomDB->GetGeoObj( nCopyId)) ;
 
-  // aggiorno flag per lati aperti
+  // annullo i flag di tratto aperto
+   for ( int i = 0 ; i < int( pCompo->GetCurveCount()) ; ++ i)
+      pCompo->SetCurveTempProp( i, 0) ;
+
+  // verifico se vanno gestiti i lati aperti
    bool bSomeOpen = m_pGeomDB->ExistsInfo( nCrvId, KEY_OPEN) ;
    if ( bSomeOpen) {
-      for ( int i = 0 ; i < int( pCompo->GetCurveCount()) ; ++ i)
-         pCompo->SetCurveTempProp( i, 0) ;
+      int nOpen ;
+      if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "Open="), nOpen)  &&  nOpen == 0)
+         bSomeOpen = false ;
+   }
+
+  // aggiorno flag per lati aperti
+   if ( bSomeOpen) {
       INTVECTOR vOpen ;
       m_pGeomDB->GetInfo( nCrvId, KEY_OPEN, vOpen) ;
       for ( int j : vOpen)
diff --git a/Simulator.cpp b/Simulator.cpp
index 2bebe21..b761b60 100644
--- a/Simulator.cpp
+++ b/Simulator.cpp
@@ -974,7 +974,7 @@ Simulator::ManageSingleMove( int& nStatus, double& dMove)
         // se attivo CollisionCheck approssimo movimento con pił step
          int nStep = 1 ;
          if ( NeedCollisionCheck()) {
-            const double LEN_STEP = 10. ;
+            const double LEN_STEP = 20. ;
             nStep = max( int( dDist / LEN_STEP), 1) ;
          }
          for ( int i = 1 ; i <= nStep ; ++ i) {