diff --git a/EgtGraphics.rc b/EgtGraphics.rc
index eab89ac..96529f7 100644
Binary files a/EgtGraphics.rc and b/EgtGraphics.rc differ
diff --git a/SceneGeom.cpp b/SceneGeom.cpp
index f954bd7..0f9e8f1 100644
--- a/SceneGeom.cpp
+++ b/SceneGeom.cpp
@@ -29,6 +29,7 @@
 #include "/EgtDev/Include/EGkSurfFlatRegion.h"
 #include "/EgtDev/Include/EGkVolZmap.h"
 #include "/EgtDev/Include/EGkExtText.h"
+#include "/EgtDev/Include/EGkExtDimension.h"
 #include "/EgtDev/Include/EGkGdbFunct.h"
 #include "/EgtDev/Include/EGnStringUtils.h"
 #include "/EgtDev/Include/EgtNumUtils.h"
@@ -493,6 +494,20 @@ Scene::DrawGeoObj( const IGdbIterator& iIter, int nPass, const MdStMkCol& siObj)
          for ( const auto& PL : lstPL)
             pGraphics->AddPolyLine( PL) ; 
       }
+     // se quota
+      else if ( nGeoType == EXT_DIMENSION) {
+        // recupero la quota
+         const IExtDimension* pDim = GetExtDimension( pGeoObj) ;
+         if ( pDim == nullptr)
+            return false ;
+        // calcolo la grafica
+         POLYLINELIST lstPL ;
+         pDim->ApproxWithLines( 10 * EPS_SMALL, ANG_TOL_GRAPH_DEG, lstPL) ;
+         pGraphics->Clear() ;
+         pGraphics->AddColor( siObj.colObj) ;
+         for ( const auto& PL : lstPL)
+            pGraphics->AddPolyLine( PL) ; 
+      }
      // se esiste parte custom
       if ( pUserObj != nullptr) {
          POLYLINELIST lstPL ;