diff --git a/external/ege b/external/ege
index c741f6e1..efca3ae4 160000
--- a/external/ege
+++ b/external/ege
@@ -1 +1 @@
-Subproject commit c741f6e1c8fe23e68a56937ecea08d6972fa3fd3
+Subproject commit efca3ae4bac53ed7565ca221274ba9c7c93611db
diff --git a/external/ejson b/external/ejson
index 3c102ab2..e7723856 160000
--- a/external/ejson
+++ b/external/ejson
@@ -1 +1 @@
-Subproject commit 3c102ab263a93b410c3e0cd118bb8d2bc67e0b28
+Subproject commit e7723856e4504b2a6e37554d8dc202c152487300
diff --git a/external/etk b/external/etk
index 3ac971ec..4fb6bceb 160000
--- a/external/etk
+++ b/external/etk
@@ -1 +1 @@
-Subproject commit 3ac971ecb6c1a8d60593c1edc5db4368d3a601ca
+Subproject commit 4fb6bcebac0309f27531bfe525f6d30a4c283642
diff --git a/sources/ewol/renderer/resources/Mesh.cpp b/sources/ewol/renderer/resources/Mesh.cpp
index 43d43b78..72c07452 100644
--- a/sources/ewol/renderer/resources/Mesh.cpp
+++ b/sources/ewol/renderer/resources/Mesh.cpp
@@ -17,7 +17,9 @@
 ewol::Mesh::Mesh(const etk::UString& _fileName, const etk::UString& _shaderName) :
 	ewol::Resource(_fileName),
 	m_normalMode(normalModeNone),
-	m_checkNormal(false)
+	m_checkNormal(false),
+	m_pointerShape(NULL),
+	m_functionFreeShape(NULL)
 {
 	EWOL_DEBUG("Load a new mesh : '" << _fileName << "'");
 	// get the shader resource :
@@ -68,6 +70,10 @@ ewol::Mesh::~Mesh(void)
 	// remove dynamics dependencies :
 	ewol::resource::Release(m_GLprogram);
 	ewol::resource::Release(m_verticesVBO);
+	if (m_functionFreeShape!=NULL) {
+		m_functionFreeShape(m_pointerShape);
+		m_pointerShape = NULL;
+	}
 }
 
 //#define DISPLAY_NB_VERTEX_DISPLAYED
@@ -994,3 +1000,14 @@ void ewol::Mesh::AddMaterial(const etk::UString& _name, ewol::Material* _data)
 	// really add the material :
 	m_materials.Add(_name, _data);
 }
+
+
+
+void ewol::Mesh::SetShape(void* _shape)
+{
+	if (m_functionFreeShape!=NULL) {
+		m_functionFreeShape(m_pointerShape);
+		m_pointerShape = NULL;
+	}
+	m_pointerShape=_shape;
+};
diff --git a/sources/ewol/renderer/resources/Mesh.h b/sources/ewol/renderer/resources/Mesh.h
index e0f88f2d..6b89dd7d 100644
--- a/sources/ewol/renderer/resources/Mesh.h
+++ b/sources/ewol/renderer/resources/Mesh.h
@@ -126,6 +126,23 @@ namespace ewol
 		public:
 			
 			const etk::Vector<ewol::PhysicsShape*>& GetPhysicalProperties(void) const { return m_physics; };
+		private:
+			void* m_pointerShape; //!< all mesh have a basic shape (bullet or other) the void pointer mermit to not depent on the bullet lib
+		public:
+			/**
+			 * @brief Set the shape pointer (no type ==> user might know it ...)
+			 * @param[in] _shape The new shape (this remove the previous one)
+			 */
+			void SetShape(void* _shape);
+			/**
+			 * @brief Get the pointer on the shame (no type)
+			 * @return Pointer on shape.
+			 */
+			void* GetShape(void) { return m_pointerShape; };
+		private:
+			void (*m_functionFreeShape)(void* _pointer);
+		public:
+			void SetFreeShapeFunction(void (*_functionFreeShape)(void* _pointer)) { m_functionFreeShape = _functionFreeShape; };
 	};
 };