diff --git a/Pocketing.cpp b/Pocketing.cpp
index 3c7df55..5f12d37 100644
--- a/Pocketing.cpp
+++ b/Pocketing.cpp
@@ -4156,7 +4156,8 @@ Pocketing::CalcTrapezoidSpiral( ICurveComposite * pCrvPocket, const Vector3d& vt
    }
   // segno i lati aperti come temp prop della curva  
    int nOpenEdges = nProp0 + nProp1 * 2 + nProp3 * 8 ;    
-   pMCrv->SetTempProp( nOpenEdges, 0) ;  
+   pMCrv->SetTempProp( nOpenEdges, 0) ; 
+   pMCrv->SetExtrusion( vtExtr) ;
 
    bOptimizedTrap = true ;
    return true ;
@@ -4324,7 +4325,8 @@ Pocketing::ComputeTrapezoidSpiralLeadInLeadOut( ICurveComposite * pCompo, bool b
    if ( bBaseOpen && ! bIsOutsideRaw) {
      // se base è aperta provo a ruotare di 90 gradi 
       Vector3d vtDirO = vtDir ;
-      vtDirO.Rotate( Z_AX, ( m_Params.m_bInvert ? -90 : 90)) ;
+      Vector3d vtExtr ; pCompo->GetExtrusion( vtExtr) ;
+      vtDirO.Rotate( vtExtr, ( m_Params.m_bInvert ? -90 : 90)) ;
       double dDist ;
       GetDistanceFromRawSide( m_nPhase, pt, vtDirO, dDist) ;
       if ( dDist < 0.5 * m_TParams.m_dDiam + EPS_SMALL) {
@@ -4338,7 +4340,7 @@ Pocketing::ComputeTrapezoidSpiralLeadInLeadOut( ICurveComposite * pCompo, bool b
             bIsOutsideRaw = true ;
          }     
       }     
-   }
+   }   
    return true ;
 }