diff --git a/Milling.cpp b/Milling.cpp
index 8930759..d5dcd15 100644
--- a/Milling.cpp
+++ b/Milling.cpp
@@ -1319,7 +1319,8 @@ Milling::GetCurves( SelData Id, ICURVEPLIST& lstPC)
       else
          nToolDir = TOOL_PARAL ;
       int nFaceUse = ( m_Params.m_nFaceUse & 31) ;
-      AdjustCurveFromSurf( pCrvCompo, nToolDir, nFaceUse, m_TParams.m_dThick) ;
+      double dSawThick = ( ( m_TParams.m_nType & TF_SAWBLADE) != 0 ? m_TParams.m_dThick : 0) ;
+      AdjustCurveFromSurf( pCrvCompo, nToolDir, nFaceUse, dSawThick) ;
      // la restituisco
       lstPC.emplace_back( Release( pCrvCompo)) ;
       return true ;
@@ -1343,6 +1344,7 @@ Milling::GetCurves( SelData Id, ICURVEPLIST& lstPC)
       else
          nToolDir = TOOL_PARAL ;
       int nFaceUse = ( m_Params.m_nFaceUse & 31) ;
+      double dSawThick = ( ( m_TParams.m_nType & TF_SAWBLADE) != 0 ? m_TParams.m_dThick : 0) ;
      // determino intervallo di chunk
       int nCstart = 0 ;
       int nCend = pReg->GetChunkCount() ;
@@ -1364,7 +1366,7 @@ Milling::GetCurves( SelData Id, ICURVEPLIST& lstPC)
            // la porto in globale
             pCrvCompo->ToGlob( frGlob) ;
            // sistemazioni varie
-            AdjustCurveFromSurf( pCrvCompo, nToolDir, nFaceUse, m_TParams.m_dThick) ;
+            AdjustCurveFromSurf( pCrvCompo, nToolDir, nFaceUse, dSawThick) ;
            // la restituisco
             lstPC.emplace_back( Release( pCrvCompo)) ;
          }