diff --git a/CurveComposite.cpp b/CurveComposite.cpp
index 6419aba..28469f2 100644
--- a/CurveComposite.cpp
+++ b/CurveComposite.cpp
@@ -1433,6 +1433,13 @@ CurveComposite::ApproxWithArcsEx( double dLinTol, double dAngTolDeg, double dLin
             crvByApprox.Reset() ;
             crvByApprox.AddPoint( pLine->GetStart()) ;
          }
+        // aggiungo punti a distanza opportuna
+         const double STEP = 5 ;
+         int nStep = int( dLen / STEP) ;
+         for ( int i = 1 ; i < nStep ; ++ i) {
+            double dCoeff = i / double( nStep) ;
+            crvByApprox.AddPoint( Media( pLine->GetStart(), pLine->GetEnd(), dCoeff)) ;
+         } 
         // aggiungo il punto finale
          crvByApprox.AddPoint( pLine->GetEnd()) ;
       }