diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/coordinates-systems/overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/coordinates-systems/overview/cheatsheet.fr.md
index 41b6d64d0..0ffe0bc36 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/coordinates-systems/overview/cheatsheet.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/coordinates-systems/overview/cheatsheet.fr.md
@@ -1,56 +1,65 @@
 ---
-title: Coordonnées cartésiennes (synthèse)
+title: Collect about the coordinates systems
 published: true
 routable: true
 visible: false
 ---
 
-<!--MétaD : INSAT-TR_-->
+### Sistema de coordenadas / Systèmes de coordonnées / Coordinates systems
 
-!!!! Cours en construction !
-!!!! Imparfait, incomplet
-!!!! Ne pas publier, ne pas mettre visible
+(cartesian, cylindrical, spherical, Euler angles)
 
+!!!! *Recopilar figuras / Collecte de figures / Collecting figures*
+!!!! 
+!!!! No publique, no haga visible.<br>
+!!!! Ne pas publier, ne pas rendre visible.<br>
+!!!! Do not publish, do not make visible.<br>
 
 
-![](cartesian_coordinates_definition_L1200.gif)
- 
-
-
-![](cartesian_coordinates_variation_range_L1200_v1.gif)
-
-
-
-![](cartesian_coordinates_position_vector_OM_L1200.gif)
-
+### 1 - Coordonnées cartésiennes / coordenadas Cartesianas / Cartesian coordinates
 
 
-![](cylindrical_coordinates_definition_L1200.gif)
+![](cartesian_coordinates_definition_L1200.gif)<br>
+cartesian_coordinates_definition_L1200.gif
+ 
 
+![](cartesian_coordinates_variation_range_L1200_v1.gif)<br>
+cartesian_coordinates_variation_range_L1200_v1.gif
 
 
-![](cylindrical_coordinates_variation_range_L1200_v2.gif)
+![](cartesian_coordinates_position_vector_OM_L1200.gif)<br>
+cartesian_coordinates_position_vector_OM_L1200.gif
 
 
+### 2 - Coordenadas cilíndricas /  Coordonnées cylindriques / Cylindrical coordinates 
 
-![](cylindrical_coordinates_projection.png)
 
+![](cylindrical_coordinates_definition_L1200.gif)<br>
+cylindrical_coordinates_definition_L1200.gif
 
 
-![](cylindrical_coordinates_unit_vector_phi_definition_L1200_v3.gif)
+![](cylindrical_coordinates_variation_range_L1200_v2.gif)<br>
+cylindrical_coordinates_variation_range_L1200_v2.gif
 
 
+![](cylindrical_coordinates_projection.png)<br>
+cylindrical_coordinates_projection.png
 
-![](cylindrical_coordinates_e-z_e-rho_unit_vector_L1200.gif)
 
+![](cylindrical_coordinates_unit_vector_phi_definition_L1200_v3.gif)<br>
+cylindrical_coordinates_unit_vector_phi_definition_L1200_v3.gif
 
 
-![](cylindrical_coordinates_orthogonal_base_L1200.jpg)
+![](cylindrical_coordinates_e-z_e-rho_unit_vector_L1200.gif)<br>
+cylindrical_coordinates_e-z_e-rho_unit_vector_L1200.gif
 
 
+![](cylindrical_coordinates_orthogonal_base_L1200.jpg)<br>
+cylindrical_coordinates_orthogonal_base_L1200.jpg
 
-![](cylindrical_coordinates_vector_OM_L1200.gif)
 
+![](cylindrical_coordinates_vector_OM_L1200.gif)<br>
+cylindrical_coordinates_vector_OM_L1200.gif
 
 
 ![](cylindrical_coordinates_surface_4_L1200.jpg)<br>
@@ -58,11 +67,27 @@ visible: false
 ![](cylindrical_coordinates_surface_2_L1200.jpg)<br>
 <br>
 ![](cylindrical_coordinates_surface_3_L1200.jpg)<br>
+cylindrical_coordinates_surface_4_L1200.jpg <br>
+cylindrical_coordinates_surface_2_L1200.jpg <br>
+cylindrical_coordinates_surface_3_L1200.jpg
+
+![](cylindrical_coordinates_volume_L1200.jpg)<br>
+cylindrical_coordinates_volume_L1200.jpg
+
+
+### 3 - Coordenadas esféricas / Coordonnées sphériques / Spherical coordinates
+
+
+![](spherical_coordinates_definition_L1200.gif)<br>
+spherical_coordinates_definition_L1200.gif
 
 
+![](spherical_coordinates_variation_range_v2.gif)<br>
+spherical_coordinates_variation_range_v2.gif
 
-![](cylindrical_coordinates_volume_L1200.jpg)
 
+![](spherical_coordinates_projection_v1.png)<br>
+spherical_coordinates_projection_v1.png