diff --git a/Packages/Triangulation_3/TODO b/Packages/Triangulation_3/TODO
index 90fded9c852..c831f90e159 100644
--- a/Packages/Triangulation_3/TODO
+++ b/Packages/Triangulation_3/TODO
@@ -2,19 +2,21 @@ negocier la doc de Filtered_exact...
 
 General
 - parametres template par defaut
+- virer geom_traits exemples - demos - testsuite
+- void a la place de GT dans cell_base
 - new Vertex/Cell
 	create_cell T3 pour remove
 	etc
 - trouver une interface avec T_2 qui permette d'eviter de reprogrammer 
   tout le 2d dans le 3d
-- virer geom_traits
 - purify
 
 TEST SUITE
 
 Doc
 - revoir tous les insert...(...)
-- traits class
+- traits class : Cartesian model of T_traits_3
+- parametres template
 - ameliorer user manual
 - verifier requirements sur la cell_base pour output/input stream 
 - revoir les anciennes corrections de JF Dufourd
diff --git a/Packages/Triangulation_3/changes.txt b/Packages/Triangulation_3/changes.txt
index 30202d56513..0eabf173484 100644
--- a/Packages/Triangulation_3/changes.txt
+++ b/Packages/Triangulation_3/changes.txt
@@ -2,7 +2,7 @@ Version 1.61 (?? June 01)
 - default template parameters for all triangulation classes except hierarchy
   default used in the examples and test-suite
 - kernel traits used in the example(s) and test-suite
-- example files included directly in the do
+- example files included directly in the doc
 - Remove one "new Cell" in Triangulation_3.
 - Privatize some member functions of TDS.
 
diff --git a/Packages/Triangulation_3/examples/Triangulation_3/Makefile b/Packages/Triangulation_3/examples/Triangulation_3/Makefile
index d8e8013066b..0bfedcfceac 100644
--- a/Packages/Triangulation_3/examples/Triangulation_3/Makefile
+++ b/Packages/Triangulation_3/examples/Triangulation_3/Makefile
@@ -14,6 +14,8 @@ include $(CGAL_MAKEFILE)
 
 
 CXXFLAGS = -I../../include\
+	-I../../../Kernel_basic/include \
+	-I../../../Cartesian_kernel/include \
 	$(CGAL_CXXFLAGS)\
 #	-g 
 
diff --git a/Packages/Triangulation_3/examples/Triangulation_3/example1.C b/Packages/Triangulation_3/examples/Triangulation_3/example1.C
index 3f141faa077..b3fe59330c8 100644
--- a/Packages/Triangulation_3/examples/Triangulation_3/example1.C
+++ b/Packages/Triangulation_3/examples/Triangulation_3/example1.C
@@ -23,22 +23,19 @@
 #include <iostream>
 #include <fstream>
 
-#include <assert.h>
+#include <cassert>
 #include <list>
 #include <vector>
 
 #include <CGAL/Cartesian.h>
 
-#include <CGAL/Triangulation_cell_base_3.h>
-#include <CGAL/Triangulation_vertex_base_3.h>
-#include <CGAL/Triangulation_data_structure_3.h>
-#include <CGAL/Triangulation_geom_traits_3.h>
 #include <CGAL/Triangulation_3.h>
 
-// for this simple example, using doubles is ok
-//
-typedef double NT;
+////////////////////// 
+// chosing the number type
+////////////////////// 
 
+// for this simple example, using doubles is ok
 // for more complicated examples with degenerate configurations,
 // using Filtered_exact number type is advised :
 // 
@@ -47,14 +44,17 @@ typedef double NT;
 // 
 // typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
 
-typedef CGAL::Cartesian<NT> Repr;
-typedef CGAL::Triangulation_geom_traits_3<Repr> Gt;
+typedef double NT;
 
-typedef CGAL::Triangulation_vertex_base_pointer_3<Gt> Vb;
-typedef CGAL::Triangulation_cell_base_3<Gt>  Cb;
+////////////////////// 
+// chosing the representation (cartesian or homogeneous)
+////////////////////// 
 
-typedef CGAL::Triangulation_data_structure_3<Vb,Cb> TDS;
-typedef CGAL::Triangulation_3<Gt,TDS> Triangulation;
+typedef CGAL::Cartesian<NT> Gt;
+
+////////////////////// 
+
+typedef CGAL::Triangulation_3<Gt> Triangulation;
 
 typedef Triangulation::Cell_handle Cell_handle;
 typedef Triangulation::Vertex_handle Vertex_handle;