diff --git a/Sawing.cpp b/Sawing.cpp
index 2098e8f..070df28 100644
--- a/Sawing.cpp
+++ b/Sawing.cpp
@@ -940,6 +940,25 @@ Sawing::GetCurve( SelData Id)
       pCrvCompo->ToGlob( frGlob) ;
      // sistemazioni varie
       AdjustCurveFromSurf( pCrvCompo, TOOL_ORTUP, FACE_DOWN, m_TParams.m_dThick) ;
+     // aggiusto lato lavoro e inverti, angolo di fianco e lato mandrino !!! da verificare !!!
+      if ( m_Params.m_nWorkSide == SAW_WS_CENTER)
+         m_Params.m_nWorkSide = SAW_WS_RIGHT ;
+      m_Params.m_bInvert = ( m_Params.m_nWorkSide == SAW_WS_LEFT) ;
+      double dSideAng ;
+      Z_AX.GetAngle( vtN, dSideAng) ;
+      // taglio verticale
+      if ( abs( dSideAng - ANG_RIGHT) < 10 * EPS_ANG_SMALL)
+         m_Params.m_dSideAngle = 0 ;
+      // taglio soprasquadra 
+      else if ( dSideAng < ANG_RIGHT) {
+         m_Params.m_dSideAngle = ANG_RIGHT - dSideAng ;
+         m_Params.m_nHeadSide = ( m_Params.m_nWorkSide = SAW_WS_RIGHT ? SAW_HS_RIGHT : SAW_HS_LEFT) ;
+      }
+      // taglio sottosquadra
+      else {
+         m_Params.m_dSideAngle = ANG_RIGHT - dSideAng ;
+         m_Params.m_nHeadSide = ( m_Params.m_nWorkSide = SAW_WS_RIGHT ? SAW_HS_LEFT : SAW_HS_RIGHT) ;
+      }
      // la restituisco
       return Release( pCrvCompo) ;
    }