diff --git a/ImportBtlx.cpp b/ImportBtlx.cpp
index 28bf987..b531d7a 100644
--- a/ImportBtlx.cpp
+++ b/ImportBtlx.cpp
@@ -1526,7 +1526,7 @@ ImportBtlx::ReadProcessings( pugi::xml_node node)
       }
      // FreeContour
       else if ( sProcessName == "FreeContour"){
-         bProcessOk = ReadFreeContourParams( *it, nGroup, nProc, nSide, vnDPar, nSPar, vdPar, sPar, curve_counter) ;
+         bProcessOk = ReadFreeContourParams( *it, nGroup, nProc, nSide, vnDPar, nSPar, vdPar, sPar, curve_counter, vsUAtt) ;
          if ( ! bProcessOk)
             return false ;
          bAdd = false ;
diff --git a/ImportBtlx.h b/ImportBtlx.h
index 2ce1c22..68bde7b 100644
--- a/ImportBtlx.h
+++ b/ImportBtlx.h
@@ -118,11 +118,11 @@ public :
    bool ReadDovetailParams( pugi::xml_node process, int& nGroup, int& nProc, int& nSide, INTVECTOR& vnDPar, int& nSPar, 
                             DBLVECTOR& vdPar, std::string& sPar) ;
    bool ReadFreeContourParams( pugi::xml_node process, int& nGroup, int& nProc, int& nSide, INTVECTOR& vnDPar, int& nSPar, 
-                               DBLVECTOR& vdPar, std::string& sPar, int& curve_counter) ;
+                               DBLVECTOR& vdPar, std::string& sPar, int& curve_counter, STRVECTOR& vsUAtt) ;
    bool ReadSContourParams( pugi::xml_node process, int nType, int nOtherId, int& nGroup, int& nProc, int& nSide, 
-                            INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter) ;
+                            INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter, STRVECTOR& vsUAtt) ;
    bool ReadDContourParams( pugi::xml_node process, int& nGroup, int& nProc, int& nSide, 
-                            INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter) ;
+                            INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter, STRVECTOR& vsUAtt) ;
 
 private :
    BtlGeom     m_BtlGeom ;           // gestore geometria pezzi Btl
diff --git a/ImportBtlxProc.cpp b/ImportBtlxProc.cpp
index e08f166..941af64 100644
--- a/ImportBtlxProc.cpp
+++ b/ImportBtlxProc.cpp
@@ -2583,7 +2583,7 @@ ImportBtlx::ReadDovetailParams( pugi::xml_node process, int& nGroup, int& nProc,
 //---------------------------------------------------------------------------------------------------------------------------
 bool 
 ImportBtlx::ReadFreeContourParams( pugi::xml_node process, int& nGroup, int& nProc, int& nSide, 
-                                   INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter) 
+                                   INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter, STRVECTOR& vsUAtt) 
 {
   // Identifico il processo con sigle usate nel btl
    nProc = 250 ;
@@ -2611,7 +2611,7 @@ ImportBtlx::ReadFreeContourParams( pugi::xml_node process, int& nGroup, int& nPr
          LOG_ERROR( GetEExLogger(), "  Error reading Part Processing: BtlGeom.GetProcessParamInfos") ;
          return false ;
       }
-      if ( vdPar.size() != 11) {
+      if ( vdPar.size() != 14) {
          LOG_ERROR( GetEExLogger(), "  Error reading Part Processing: FreeContour number of parameters is wrong") ;
          return false ;
       }
@@ -2630,12 +2630,12 @@ ImportBtlx::ReadFreeContourParams( pugi::xml_node process, int& nGroup, int& nPr
       string itName = it->name() ;
       bool bContOk = true ;
       if ( itName == "Contour") {
-         bContOk = ReadSContourParams( *it, 0, 0, nGroup, nProc, nSide, vnDPar, nSPar, vdPar, sPar, curve_counter) ;
+         bContOk = ReadSContourParams( *it, 0, 0, nGroup, nProc, nSide, vnDPar, nSPar, vdPar, sPar, curve_counter, vsUAtt) ;
          if ( ! bContOk) 
             return false ;        
       }
       else if ( itName == "DualContour") {
-         bContOk = ReadDContourParams( *it, nGroup, nProc, nSide, vnDPar, nSPar, vdPar, sPar, curve_counter) ;
+         bContOk = ReadDContourParams( *it, nGroup, nProc, nSide, vnDPar, nSPar, vdPar, sPar, curve_counter, vsUAtt) ;
          if ( ! bContOk) 
             return false ;
       }
@@ -2651,7 +2651,7 @@ ImportBtlx::ReadFreeContourParams( pugi::xml_node process, int& nGroup, int& nPr
 //---------------------------------------------------------------------------------------------------------------------------
 bool 
 ImportBtlx::ReadSContourParams( pugi::xml_node process, int nType, int nOtherId, int& nGroup, int& nProc, int& nSide,
-                                INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, string& sPar, int& curve_counter) 
+                                INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, string& sPar, int& curve_counter, STRVECTOR& vsUAtt) 
 {
   // Parametri propri del contour che non cambiano 
    string sDepthBounded = process.attribute( "DepthBounded").value() ;
@@ -2761,7 +2761,6 @@ ImportBtlx::ReadSContourParams( pugi::xml_node process, int nType, int nOtherId,
       }
 
       string sDes ;
-      STRVECTOR vsUAtt ;
 
       bool bProcessOk = m_BtlGeom.AddProcess( nGroup, nProc, nSide, sDes, curve_counter, frRef, vnDPar, nSPar, vdPar, sPar, vsUAtt, 0) ;
       if ( ! bProcessOk) {
@@ -2777,7 +2776,7 @@ ImportBtlx::ReadSContourParams( pugi::xml_node process, int nType, int nOtherId,
 //---------------------------------------------------------------------------------------------------------------------------
 bool 
 ImportBtlx::ReadDContourParams( pugi::xml_node process, int& nGroup, int& nProc, int& nSide, 
-                                INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter) 
+                                INTVECTOR& vnDPar, int& nSPar, DBLVECTOR& vdPar, std::string& sPar, int& curve_counter, STRVECTOR& vsUAtt) 
 {
    if ( process.child( "PrincipalContour") == nullptr  ||  process.child( "AssociatedContour") == nullptr) {
       LOG_ERROR( GetEExLogger(), "  Error reading Part Process: DualContour contour missing") ;
@@ -2794,13 +2793,13 @@ ImportBtlx::ReadDContourParams( pugi::xml_node process, int& nGroup, int& nProc,
       nPrincipalContCurves ++ ;
 
    bool bContourOk = ReadSContourParams( process.child( "PrincipalContour"), 100, curve_counter + nPrincipalContCurves,
-      nGroup, nProc, nSide, vnDPar, nSPar,vdPar, sPar, curve_counter) ;
+                                         nGroup, nProc, nSide, vnDPar, nSPar,vdPar, sPar, curve_counter, vsUAtt) ;
    if ( ! bContourOk)
       return false ;      
 
   // Associated Contour   
    bContourOk = ReadSContourParams( process.child( "AssociatedContour"), 101, nPrincipalId,
-      nGroup, nProc, nSide, vnDPar, nSPar,vdPar, sPar, curve_counter) ;
+                                    nGroup, nProc, nSide, vnDPar, nSPar,vdPar, sPar, curve_counter, vsUAtt) ;
    if ( ! bContourOk)
       return false ;