diff --git a/EGkGeoObjSave.h b/EGkGeoObjSave.h
index 7f2b170..c6ca6fd 100644
--- a/EGkGeoObjSave.h
+++ b/EGkGeoObjSave.h
@@ -21,7 +21,7 @@
 bool
 SaveGeoObj( IGeoObj* pGObj, const std::string& sFile, int nFlag = GDB_SV_BIN)
 {
-  // verifico validità oggetto
+  // verifico validità oggetto
    if ( pGObj == nullptr  ||  ! pGObj->IsValid())
       return false ;
   // creo GeomDB temporaneo
@@ -47,7 +47,7 @@ bool
 SaveGeoObj( std::vector<IGeoObj*> vpGObj, const std::string& sFile, int nFlag = GDB_SV_BIN)
 {
    for ( int i = 0 ; i < int( vpGObj.size()); ++i) {
-     // verifico validità oggetto
+     // verifico validità oggetto
       if ( vpGObj[i] == nullptr  ||  ! vpGObj[i]->IsValid() )
          return false ;
    }
@@ -75,4 +75,106 @@ SaveGeoObj( std::vector<IGeoObj*> vpGObj, const std::string& sFile, int nFlag =
       bOk = ( pGeomDB->RemoveGeoObjAndErase( vIds[i]) != nullptr ) && bOk ;
 
    return bOk ;
+}
+
+//----------------------------------------------------------------------------
+bool
+SaveGeoObj( std::vector<std::vector<IGeoObj*>> vvpGObj, std::vector<Color> vCol,
+            const std::string& sFile, int nFlag = GDB_SV_BIN)
+{
+  // verifico validità oggetti
+   for ( int i = 0 ; i < int( vvpGObj.size()) ; ++ i) {
+      for ( int j = 0 ; j < int( vvpGObj[i].size()) ; ++ j) {
+         if ( vvpGObj[i][j] == nullptr  ||  ! vvpGObj[i][j]->IsValid())
+            return false ;
+      }
+   }
+   if ( int( vCol.size()) <= int( vvpGObj.size())) {
+      for ( int i = int( vCol.size()) ; i < int( vvpGObj.size()) ; ++ i)
+         vCol.push_back( BLACK) ;
+   }
+   else
+      return false ;
+
+  // creo GeomDB temporaneo
+   PtrOwner<IGeomDB> pGeomDB( CreateGeomDB()) ;
+   if ( IsNull( pGeomDB))
+      return false ;
+   INTVECTOR vIds ;
+   int nLayId = 0 ;
+
+  // creo il part
+   int nPartId = pGeomDB->AddGroup( GDB_ID_NULL, GDB_ID_ROOT, Frame3d()) ;
+
+  // per ogni elemento i-esimo, creo un layer
+   for ( int i = 0 ; i < int( vvpGObj.size()) ; ++i) {
+     // creo il layer
+      nLayId = pGeomDB->AddGroup( GDB_ID_NULL, nPartId, Frame3d()) ;
+      pGeomDB->SetMaterial( nLayId, vCol[i]) ;
+
+      for ( int j = 0 ; j < int( vvpGObj.size()) ; ++ j) {
+        // inserisco gli oggetti corrispondenti
+         int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nLayId, vvpGObj[i][j]) ;
+         vIds.push_back( nId) ;
+         if ( nId == GDB_ID_NULL)
+            return false ;
+      }
+   }
+
+  // eseguo il salvataggio
+   bool bOk = pGeomDB->Save( vIds, sFile, nFlag) ;
+  // rimuovo l'oggetto dal GeomDB
+   for ( int i = 0 ; i < int( vIds.size()) ; ++i)
+      bOk = ( pGeomDB->RemoveGeoObjAndErase( vIds[i]) != nullptr) && bOk ;
+
+   return bOk ;
+}
+
+//----------------------------------------------------------------------------
+bool
+SaveCurveCompo( ICRVCOMPOPOVECTOR& vCompo, bool bUniform, const std::string& sFile, int nFlag = GDB_SV_BIN)
+{
+  // controllo validità delle curve
+   std::vector<IGeoObj*> vpGObj ;
+   for ( int i = 0 ; i < int( vCompo.size()) ; ++ i) {
+      if ( vCompo[i] == nullptr  ||  ! vCompo[i]->IsValid())
+         return false ;
+      vpGObj.emplace_back( static_cast<IGeoObj*>( vCompo[i]->Clone())) ;
+   }
+  // creo GeomDB temporaneo
+   PtrOwner<IGeomDB> pGeomDB( CreateGeomDB()) ;
+   if ( IsNull( pGeomDB))
+      return false ;
+   INTVECTOR vIds ;
+
+  // se curve con colore uniforme
+   if ( bUniform)
+      return SaveGeoObj( vpGObj, sFile, nFlag) ;
+
+  // altrimenti scorro le sottocurve e le coloro in base alle temp prop
+   int nPartId = pGeomDB->AddGroup( GDB_ID_NULL, GDB_ID_ROOT, Frame3d()) ;
+   int nLayId = 0 ;
+   for ( int i = 0 ; i < int( vCompo.size()) ; ++i) {
+     // inserisco l'oggetto nel GeomDB (sotto pezzo/layer)
+      nLayId = pGeomDB->AddGroup( GDB_ID_NULL, nPartId, Frame3d()) ;
+      for ( int u = 0 ; u < vCompo[i]->GetCurveCount() ; ++ u) {
+         const ICurve* pCrv = vCompo[i]->GetCurve( u) ;
+         if ( pCrv == nullptr)
+            return false ;
+         int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nLayId, pCrv->Clone()) ;
+         pGeomDB->SetMaterial( nId, ( pCrv->GetTempProp( 0) == 1 ? RED :
+                                    ( pCrv->GetTempProp( 0)) == 0 ? BLUE : WHITE)) ;
+         vIds.push_back( nId) ;
+         if ( nId == GDB_ID_NULL)
+            return false ;
+      }
+   }
+  // eseguo il salvataggio
+   bool bOk = pGeomDB->Save( vIds, sFile, nFlag) ;
+  // rimuovo l'oggetto dal GeomDB
+   for ( int i = 0 ; i < int( vIds.size()); ++i)
+      bOk = ( pGeomDB->RemoveGeoObjAndErase( vIds[i]) != nullptr) && bOk ;
+
+   return bOk ;
+
 }
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