Add Mod Removable doors (#293)

* Add Mod ElPoPo / RemovableDoor

A 2.4 mod to easily remove door

* Update Charnier_V3.1_x4.stl

* Renaming stls

printer_mods/ElPoPo/RemovableDoors/Readme.md

@@ -0,0 +1,49 @@
+Removable door hinges
+
+Axes are made with 4 M3x40
+
+Front :
+
+![Avant](Images/Charniere_Av.jpg)
+
+Back :
+
+![Arrière](Images/Charniere_Ar.jpg)
+
+To print the logo in relief simply use the stl without accent.
+
+
+To print the logo with your accent color in simulated MMU mode:
+- open the stl in susie
+- select the parts
+- context menu 'Split-> To Parts'
+- select the tool to print the different parts with the accent color
+
+![MMU](Images/MMU.jpg)
+
+##########################################################################################
+Charnières de porte démontable
+
+Les axes sont réalisés avec 4 M3x40
+
+Avant :
+
+![Avant](Images/Charniere_Av.jpg)
+
+Arrière :
+
+![Arrière](Images/Charniere_Ar.jpg)
+
+
+Pour imprimer le logo en relief utilisez simplement les stl sans accent.
+
+
+Pour imprimer le logo avec votre couleur accent en mode MMU sumulé : 
+- ouvrir le stl dans susie
+- selectioner la pièce
+- menu contextuel 'Split->To Parts'
+- selectionner l'outil pour imprimer les différentes parties avec la couleur accent
+
+![MMU](Images/MMU.jpg)
+
+

printer_mods/README.md

@@ -75,6 +75,7 @@ like so:
 | Ellis |[15x15 Drag Chain Ends](./Ellis/15x15_Drag_Chain_End) | 15x15 drag chain end pieces | :grey_question: | :grey_question: |:heavy_check_mark: |:x:|
 | |[Badge Retractor Mount](./Ellis/Badge_Retractor_Mount) | Extrusion mount for badge retractor to keep bowden tube out of the way. | :grey_question: | :grey_question: |:heavy_check_mark: |:x:|
 | |[Short Z Joints](./Ellis/Short_Z_Joints) | Shorter Z joints for the v2.4 |:x: |:x: |:heavy_check_mark: |:x:|
+| ElPoPo | [Removable Doors](./ElPoPo/RemovableDoors) | New hinge to easily remove the door and have a wide opening  V2.x | :x: | :x: | :heavy_check_mark: | :x:|
 | Empusas | [Power Skirt 2.x FN284-10-06](./Empusas/PowerSkirt_FN284-10-06) | Power Skirt for Schaffner FN284-10-06 V2.x | :x: | :x: | :heavy_check_mark: | :x:|
 | FreeformFez | [V1.8 Filtered Power Inlet](./FreeformFez/FilteredPower) | V1.6 Filtered Inlet and Rocker Switch for V1.8 | :x: | :heavy_check_mark: | :x: |:x:|
 | GiulianoM | [Fly F407ZG Mount](./GiulianoM/FlyF407ZG) | Mount for the Fly F407ZG: https://github.com/FLYmaker/FLYF407ZG | :x: | :x: | :heavy_check_mark: | :x: |