diff --git a/libsrc/csg/csgeom.cpp b/libsrc/csg/csgeom.cpp
index 45c76170..82102118 100644
--- a/libsrc/csg/csgeom.cpp
+++ b/libsrc/csg/csgeom.cpp
@@ -417,7 +417,7 @@ namespace netgen
       & identpoints & boundingbox & isidenticto & ideps
       & filename & spline_surfaces & splinecurves2d & splinecurves3d & surf2prim;
     if(archive.Input())
-      FindIdenticSurfaces(1e-6);
+      FindIdenticSurfaces(1e-8 * MaxSize());
   }
 
   void CSGeometry :: SaveSurfaces (ostream & out) const
diff --git a/libsrc/csg/python_csg.cpp b/libsrc/csg/python_csg.cpp
index 676e249a..12545eee 100644
--- a/libsrc/csg/python_csg.cpp
+++ b/libsrc/csg/python_csg.cpp
@@ -676,7 +676,6 @@ However, when r = 0, the top part becomes a point(tip) and meshing fails!
     .def("Draw", FunctionPointer
          ([] (shared_ptr<CSGeometry> self)
           {
-             self->FindIdenticSurfaces(1e-6);
              self->CalcTriangleApproximation(0.01, 20);
              ng_geometry = self;
           })