diff --git a/Export3dm.cpp b/Export3dm.cpp
index 37481cc..826e029 100644
--- a/Export3dm.cpp
+++ b/Export3dm.cpp
@@ -26,6 +26,7 @@
 #include "/EgtDev/Include/EGkCurveComposite.h"
 #include "/EgtDev/Include/EGkGdbIterator.h"
 #include "/EgtDev/Include/EGkGeoObjType.h"
+#include "/EgtDev/Include/EGkGeoPoint3d.h"
 #include "/EgtDev/Include/EGnStringUtils.h"
 #include "/EgtDev/Include/SELkKeyProc.h"
 #include "/EgtDev/Include/EgtKeyCodes.h"
@@ -34,6 +35,7 @@
 #include <fstream>
 #include "C:/EgtDev/opennurbs/opennurbs.h"
 #include <map>
+#include "/EgtDev/Include/EGnStringUtils.h"
 
 using namespace std ;
 class ON_Color ;
@@ -121,7 +123,6 @@ Export3dm::Export( IGeomDB* pGDB, int nId, const string& sFile)
          return false ;
    }
 
-
   //// file settings ( units, tolerances, views, ...)
   //// OPTIONAL - change values from defaults
    m_model.m_settings.m_ModelUnitsAndTolerances.m_unit_system = ON::LengthUnitSystem::Meters ;
@@ -184,6 +185,11 @@ Export3dm::ExportObject( const IGdbIterator& iIter, const int& nLayer)
             sName = ToString( iIter.GetId()) ; 
         // emetto l'oggetto
          switch (  pGeoObj->GetType()) {
+         case GEO_PNT3D: {
+            if ( ! ExportPnt( sName, pGeoObj, frFrame, cCol, nLayer))
+               return false ;
+            break ;
+         }
          case SRF_BEZIER: {
             if ( ! ExportSrfBz( sName, pGeoObj, frFrame, cCol, nLayer))
                return false ;
@@ -231,7 +237,11 @@ Export3dm::ExportObject( const IGdbIterator& iIter, const int& nLayer)
       }
      // creo il layer e setto le proprietà
       ON_Layer* layer = new ON_Layer() ;
-      std::string sLayName = "Layer " + ToString( nLayer) ;
+      std::string sLayName ;
+      iIter.GetName( sLayName) ;
+      if ( sLayName == "" ) {
+         sLayName = "Layer " + ToString( nLayer) ;
+      }
       layer->SetName( ConvertString( sLayName).c_str()) ;
       bool bDone = layer->SetIndex( nLayer) ;
       ON_Color onCol( 0, 0, 0, 0) ; // black
@@ -244,6 +254,14 @@ Export3dm::ExportObject( const IGdbIterator& iIter, const int& nLayer)
          const ON_Layer* onParLay = ON_Layer::Cast( m_model.LayerFromIndex( m_mLayer[nParent]).ModelComponent()) ;
          layer->SetParentLayerId( onParLay->Id()) ;
       }
+     // copio le info
+      STRVECTOR vStrInfo, vStrInfo_split ;
+      iIter.GetAllInfo( vStrInfo) ;
+      for ( string sInfo : vStrInfo) {
+         Tokenize( sInfo, "=", vStrInfo_split) ;
+         layer->SetUserString( ConvertString( vStrInfo_split[0]).c_str(), ConvertString( vStrInfo_split[1]).c_str()) ;
+      }
+
      // aggiungo il layer
       ON_ModelComponentReference mcr = m_model.AddManagedModelComponent( layer) ;
       int nIndex = mcr.ModelComponentIndex() ;
@@ -326,6 +344,22 @@ Export3dm::TestFilter( int nLev, int nMode, int nStat)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+Export3dm::ExportPnt(const string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer)
+{
+   // verifico oggetto
+   IGeoPoint3d* pGeoPnt = GetGeoPoint3d( pGeoObj->Clone()) ;
+   if ( pGeoPnt == nullptr)
+      return false ;
+   // lo porto nel riferimento globale
+   pGeoPnt->ToGlob( frFrame) ;
+   Point3d pt = pGeoPnt->GetPoint() ;
+   ON_Point* onPt = new ON_Point(ConvertPoint( pt)) ;
+   AddObjectToModel( onPt, nLayer, sName, cCol) ;
+   return true ;
+}
+
 //----------------------------------------------------------------------------
 bool
 Export3dm::ExportSrfBz( const string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer)
@@ -498,7 +532,6 @@ Export3dm::ConvertCrvBezier( ICurveBezier* pCrvBz)
    return Release( onNurbsCrv) ;
 }
 
-
 //----------------------------------------------------------------------------
 bool
 Export3dm::ExportCrvBezier( const string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer)
@@ -510,7 +543,6 @@ Export3dm::ExportCrvBezier( const string& sName, const IGeoObj* pGeoObj, const F
    bool bOk = true ;
   // lo porto nel riferimento globale
    pCrvBz->ToGlob( frFrame) ;
-   
    ON_NurbsCurve* onNurbsCrv = ConvertCrvBezier( pCrvBz) ;
    return AddObjectToModel( onNurbsCrv, nLayer, sName, cCol) ;
 }
@@ -554,14 +586,7 @@ Export3dm::ExportCrvCompo( const string& sName, const IGeoObj* pGeoObj, const Fr
       }
    }
 
-  // creo il vettore estrusione
-   Vector3d vtExtr ;
-   pCrvCompo->GetExtrusion( vtExtr) ;
-   std::string sExtr = ToString( vtExtr.x) + "," + ToString( vtExtr.y) + "," + ToString( vtExtr.z) ;
-   ON_3dmObjectAttributes* pOnAttr = new ON_3dmObjectAttributes() ;
-   pOnAttr->SetUserString( ConvertString( "vtExtr").c_str(), ConvertString( sExtr).c_str()) ;
-   
-   return AddObjectToModel( onPolyCrv, nLayer, sName, cCol, pOnAttr) ;
+   return AddObjectToModel( onPolyCrv, nLayer, sName, cCol) ;
 }
 
 //----------------------------------------------------------------------------
diff --git a/Export3dm.h b/Export3dm.h
index 04c331e..c8867b6 100644
--- a/Export3dm.h
+++ b/Export3dm.h
@@ -55,6 +55,7 @@ private :
    ON_NurbsCurve* ConvertCrvBezier( ICurveBezier* pCrvBz) ;
    ON_ArcCurve* ConvertCrvArc( ICurveArc* pCrvArc) ;
    ON_LineCurve* ConvertCrvLine( ICurveLine* pCrvL) ;
+   bool ExportPnt( const std::string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer) ;
    bool ExportSrfBz( const std::string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer) ;
    bool ExportSFR( const std::string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer) ;
    bool ExportSTM( const std::string& sName, const IGeoObj* pGeoObj, const Frame3d& frFrame, const Color& cCol, const int& nLayer) ;