diff --git a/Trimming.cpp b/Trimming.cpp
index 46b8666..0a3de09 100644
--- a/Trimming.cpp
+++ b/Trimming.cpp
@@ -3908,7 +3908,7 @@ GetTrimmingSurfBzSyncPoints( const ICurve* pCrvEdge1, const ICurve* pCrvEdge2,
    #endif
 
   // Definisco la superficie di Bezier rigata
-   PtrOwner<SurfBezier> pSBzRuled( GetBasicSurfBezier( GetSurfBezierRuledSmooth( pCompoEdge1, pCompoEdge2, vSyncPoints, 10))) ;
+   PtrOwner<SurfBezier> pSBzRuled( GetBasicSurfBezier( GetSurfBezierRuledSmooth( pCompoEdge1, pCompoEdge2, vSyncPoints, 20.0))) ;
    if ( IsNull( pSBzRuled)  ||  ! pSBzRuled->IsValid())
       return false ;
 
@@ -4169,7 +4169,7 @@ GetTrimmingRuledBezier( const CISURFPVECTOR& vSurf, const ICurve* pCrvEdge1,
   // Se non ho punti di controllo forzati
    if ( vSyncPoints.empty()) {
       BIPNTVECTOR vSyncLines ;
-      pSurfBz.Set( GetSurfBezierRuledSmooth( pCompoEdge1, pCompoEdge2, vSyncLines, 10)) ;
+      pSurfBz.Set( GetSurfBezierRuledSmooth( pCompoEdge1, pCompoEdge2, vSyncLines, 20.0)) ;
       if ( IsNull( pSurfBz)  ||  ! pSurfBz->IsValid()) {
          LOG_ERROR( GetEGkLogger(), "Error in Trimming : Ruled Bezier invalid") ;
          return nullptr ;