diff --git a/libsrc/occ/occconstruction.cpp b/libsrc/occ/occconstruction.cpp
index 8da19448..2945a147 100644
--- a/libsrc/occ/occconstruction.cpp
+++ b/libsrc/occ/occconstruction.cpp
@@ -37,6 +37,7 @@ namespace netgen
 
   void OCCConstructGeometry (OCCGeometry & geom)
   {
+#ifdef NOTHING
     cout << "OCC construction" << endl;
 
     BRep_Builder builder;
@@ -147,6 +148,8 @@ namespace netgen
     geom.BuildFMap();
     geom.BuildVisualizationMesh();
     geom.changed = 1;
+#endif
+
   }
 }
 
diff --git a/libsrc/occ/occgeom.cpp b/libsrc/occ/occgeom.cpp
index 770ce1b9..17ee1a60 100644
--- a/libsrc/occ/occgeom.cpp
+++ b/libsrc/occ/occgeom.cpp
@@ -21,6 +21,8 @@
 
 namespace netgen
 {
+  // #include "../visualization/vispar.hpp"
+
 
   void OCCGeometry :: PrintNrShapes ()
   {
@@ -954,19 +956,19 @@ namespace netgen
   }
 
 
-  void OCCGeometry :: BuildVisualizationMesh ()
+  void OCCGeometry :: BuildVisualizationMesh (double deflection)
   {
-
-    cout << "Preparing visualization (deflection = " << vispar.occdeflection << ") ... " << flush;
-
+    cout << "Preparing visualization (deflection = " << deflection << ") ... " << flush;
 
     BRepTools::Clean (shape);
     //WriteOCC_STL("test.stl");
-    BRepMesh_IncrementalMesh::BRepMesh_IncrementalMesh (shape, vispar.occdeflection, true);
+    BRepMesh_IncrementalMesh::BRepMesh_IncrementalMesh (shape, deflection, true);
     cout << "done" << endl;
+  }
 
 
-
+  void OCCGeometry :: CalcBoundingBox ()
+  {
     Bnd_Box bb;
     BRepBndLib::Add (shape, bb);
 
@@ -978,8 +980,6 @@ namespace netgen
     (*testout) << "Bounding Box = [" << p1 << " - " << p2 << "]" << endl;
     boundingbox = Box<3> (p1,p2);
     SetCenter();
-
-
   }
 
 
@@ -1129,7 +1129,8 @@ namespace netgen
     //
 
 
-    occgeo->BuildVisualizationMesh();
+    // occgeo->BuildVisualizationMesh();
+    occgeo->CalcBoundingBox();
     PrintContents (occgeo);
 
     return occgeo;
@@ -1196,7 +1197,8 @@ OCCGeometry * LoadOCC_STEP (const char * filename)
  occgeo->changed = 1;
  occgeo->BuildFMap();
 
- occgeo->BuildVisualizationMesh();
+ // occgeo->BuildVisualizationMesh();
+ occgeo->CalcBoundingBox();
  PrintContents (occgeo);
 
  return occgeo;
@@ -1282,7 +1284,8 @@ OCCGeometry * LoadOCC_STEP (const char * filename)
 
     occgeo->changed = 1;
     occgeo->BuildFMap();
-    occgeo->BuildVisualizationMesh();
+    // occgeo->BuildVisualizationMesh();
+    occgeo->CalcBoundingBox();
     PrintContents (occgeo);
 
     return occgeo;
diff --git a/libsrc/occ/occgeom.hpp b/libsrc/occ/occgeom.hpp
index fda4a0ae..a1ba7497 100644
--- a/libsrc/occ/occgeom.hpp
+++ b/libsrc/occ/occgeom.hpp
@@ -112,7 +112,7 @@
 namespace netgen
 {
 
-#include "../visualization/vispar.hpp"
+  // #include "../visualization/vispar.hpp"
    //  class VisualizationParameters;
    //  extern VisualizationParameters vispar;
 
@@ -252,7 +252,8 @@ namespace netgen
          return OCCSurface (TopoDS::Face(fmap(surfi)), PLANESPACE);
       }
 
-      void BuildVisualizationMesh ();
+      void CalcBoundingBox ();
+      void BuildVisualizationMesh (double deflection);
 
       void RecursiveTopologyTree (const TopoDS_Shape & sh,
             stringstream & str,
diff --git a/libsrc/visualization/vsocc.cpp b/libsrc/visualization/vsocc.cpp
index 80877191..ac0fa71d 100644
--- a/libsrc/visualization/vsocc.cpp
+++ b/libsrc/visualization/vsocc.cpp
@@ -364,8 +364,10 @@ namespace netgen
 
    void VisualSceneOCCGeometry :: BuildScene (int zoomall)
    {
-      if (occgeometry -> changed == OCCGEOMETRYVISUALIZATIONFULLCHANGE)
-      {
+     if (occgeometry -> changed == OCCGEOMETRYVISUALIZATIONFULLCHANGE)
+       {
+         occgeometry -> BuildVisualizationMesh (vispar.occdeflection);
+
          center = occgeometry -> Center();
          rad = occgeometry -> GetBoundingBox().Diam() / 2;
 
diff --git a/ng/ngpkg.cpp b/ng/ngpkg.cpp
index 66e497d1..cc354895 100644
--- a/ng/ngpkg.cpp
+++ b/ng/ngpkg.cpp
@@ -3980,7 +3980,7 @@ namespace netgen
 	  {
 	    if (strcmp (argv[1], "buildvisualizationmesh") == 0)
 	      {
-		occgeometry->BuildVisualizationMesh();
+		occgeometry->BuildVisualizationMesh(vispar.occdeflection);
 		occgeometry->changed = OCCGEOMETRYVISUALIZATIONHALFCHANGE;
 	      }
 	    if (strcmp (argv[1], "mesherror") == 0)
@@ -3998,7 +3998,7 @@ namespace netgen
 		occgeometry->BuildFMap();
 		cout << endl << "After operation:" << endl;
 		occgeometry->PrintNrShapes();
-		occgeometry->BuildVisualizationMesh();
+		occgeometry->BuildVisualizationMesh(vispar.occdeflection);
 		occgeometry->changed = OCCGEOMETRYVISUALIZATIONHALFCHANGE;
 	      }
 	    if (strcmp (argv[1], "makesolid") == 0)
@@ -4009,7 +4009,7 @@ namespace netgen
 		occgeometry->BuildFMap();
 		cout << endl << "After operation:" << endl;
 		occgeometry->PrintNrShapes();
-		occgeometry->BuildVisualizationMesh();
+		occgeometry->BuildVisualizationMesh(vispar.occdeflection);
 		occgeometry->changed = OCCGEOMETRYVISUALIZATIONHALFCHANGE;
 	      }
 	    if (strcmp (argv[1], "upgradetopology") == 0)
@@ -4021,7 +4021,7 @@ namespace netgen
 		occgeometry->BuildFMap();
 		cout << endl << "After operation:" << endl;
 		occgeometry->PrintNrShapes();
-		occgeometry->BuildVisualizationMesh();
+		occgeometry->BuildVisualizationMesh(vispar.occdeflection);
 		occgeometry->changed = OCCGEOMETRYVISUALIZATIONHALFCHANGE;
 	      }
 	    if (strcmp (argv[1], "shapehealing") == 0)
@@ -4045,7 +4045,7 @@ namespace netgen
 		occgeometry->BuildFMap();
 		//	      cout << endl << "After operation:" << endl;
 		//	      occgeometry->PrintNrShapes();
-		occgeometry->BuildVisualizationMesh();
+		occgeometry->BuildVisualizationMesh(vispar.occdeflection);
 		occgeometry->changed = OCCGEOMETRYVISUALIZATIONHALFCHANGE;
 	      }
 
diff --git a/nglib/nglib.cpp b/nglib/nglib.cpp
index afc7a6a9..277ead33 100644
--- a/nglib/nglib.cpp
+++ b/nglib/nglib.cpp
@@ -42,12 +42,14 @@ namespace netgen
 #endif
 
 
+/*
 // should not be needed (occ currently requires it)
 namespace netgen {
 #include "../libsrc/visualization/vispar.hpp"
   VisualizationParameters vispar;
   VisualizationParameters :: VisualizationParameters() { ; }
 }
+*/
 
 
 namespace nglib {
diff --git a/windows/Makefile.am b/windows/Makefile.am
index 3f2dd05a..5cf45a8f 100644
--- a/windows/Makefile.am
+++ b/windows/Makefile.am
@@ -1,4 +1,3 @@
-dist_noinst_DATA = netgen.sln netgen.suo netgen.vcproj postBuild_Install.bat
-# abc
+dist_noinst_DATA = netgen.sln netgen.suo netgen.vcproj netgen_MSVC2005.sln netgen_MSVC2005.suo  netgen_MSVC2005.vcproj postBuild_Install.bat