diff --git a/firebase.json b/firebase.json
index 0d3734adffa463d7f822cd265c7a1a2776a33cc0..238f39b41f017721a8f0dd1c6c6269a7dd2c39a2 100644
--- a/firebase.json
+++ b/firebase.json
@@ -1,6 +1,6 @@
 {
   "hosting": {
-    "public": ".",
+    "public": "model-viewer",
     "ignore": ["firebase.json", "**/.*", "**/node_modules/**"]
   }
 }
diff --git a/model-viewer/background.webp b/model-viewer/background.webp
new file mode 100644
index 0000000000000000000000000000000000000000..a15133be50fb6538dd55893bf221e5da2d7915e5
Binary files /dev/null and b/model-viewer/background.webp differ
diff --git a/model-viewer/index.html b/model-viewer/index.html
index db8f296bb18b7cdd05debbc7b4a1afbf7e3fcae4..a36edad6c450354e84bda6d021900201ef9859f7 100644
--- a/model-viewer/index.html
+++ b/model-viewer/index.html
@@ -64,7 +64,7 @@
       }
 
       .background {
-        background-image: url(./background.png);
+        background-image: url(./background.webp);
         background-size: cover;
         height: 100%;
       }
@@ -118,7 +118,7 @@
     </template>
     <template id="template-two">
       <model-viewer
-        src="./statut2/Sculpture2_test.glb"
+        src="./statut2/Downgrade_sculpture2.gltf"
         id="model-two"
         ar
         shadow-intensity="1"
diff --git a/model-viewer/statut1/Sculpture1_test.glb b/model-viewer/statut1/Sculpture1_test.glb
deleted file mode 100644
index 2de8570dd050bcc86590cc24bc0da6b82deb57c9..0000000000000000000000000000000000000000
Binary files a/model-viewer/statut1/Sculpture1_test.glb and /dev/null differ
diff --git a/model-viewer/statut2/Downgrade_sculpture2.bin b/model-viewer/statut2/Downgrade_sculpture2.bin
new file mode 100644
index 0000000000000000000000000000000000000000..d28551748595d959811b77b769c2ca1f8afc099e
Binary files /dev/null and b/model-viewer/statut2/Downgrade_sculpture2.bin differ
diff --git a/model-viewer/statut2/Downgrade_sculpture2.gltf b/model-viewer/statut2/Downgrade_sculpture2.gltf
new file mode 100644
index 0000000000000000000000000000000000000000..bb2c3d7c388003d1c1e5fb517b2f310844fb0c41
--- /dev/null
+++ b/model-viewer/statut2/Downgrade_sculpture2.gltf
@@ -0,0 +1,255 @@
+{
+	"asset":{
+		"generator":"Khronos glTF Blender I/O v3.6.27",
+		"version":"2.0"
+	},
+	"extensionsUsed":[
+		"KHR_draco_mesh_compression"
+	],
+	"extensionsRequired":[
+		"KHR_draco_mesh_compression"
+	],
+	"scene":0,
+	"scenes":[
+		{
+			"name":"Scene",
+			"nodes":[
+				0,
+				1,
+				2
+			]
+		}
+	],
+	"nodes":[
+		{
+			"mesh":0,
+			"name":"body_model_with_landmarks",
+			"rotation":[
+				0.70710688829422,
+				0,
+				0,
+				0.7071066498756409
+			],
+			"scale":[
+				0.010265141725540161,
+				0.010265142656862736,
+				0.010265142656862736
+			]
+		},
+		{
+			"mesh":1,
+			"name":"Ventre cool_tex",
+			"rotation":[
+				-0.7071065902709961,
+				0,
+				0,
+				0.7071070075035095
+			],
+			"scale":[
+				-0.0009374108049087226,
+				-0.0009374107467010617,
+				-0.0009374107467010617
+			]
+		},
+		{
+			"mesh":2,
+			"name":"Bras cool_tex",
+			"rotation":[
+				-0.49999991059303284,
+				-0.5000001788139343,
+				-0.49999991059303284,
+				0.5000001192092896
+			],
+			"scale":[
+				-0.0008092784555628896,
+				-0.0008092784555628896,
+				-0.0008092784555628896
+			]
+		}
+	],
+	"materials":[
+		{
+			"doubleSided":true,
+			"name":"Default OBJ",
+			"pbrMetallicRoughness":{
+				"baseColorFactor":[
+					0.800000011920929,
+					0.800000011920929,
+					0.800000011920929,
+					1
+				],
+				"metallicFactor":0,
+				"roughnessFactor":0.5
+			}
+		}
+	],
+	"meshes":[
+		{
+			"name":"body_model_with_landmarks",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":0,
+						"NORMAL":1
+					},
+					"extensions":{
+						"KHR_draco_mesh_compression":{
+							"bufferView":0,
+							"attributes":{
+								"POSITION":0,
+								"NORMAL":1
+							}
+						}
+					},
+					"indices":2,
+					"material":0,
+					"mode":4
+				}
+			]
+		},
+		{
+			"name":"Ventre cool_tex",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":3,
+						"NORMAL":4
+					},
+					"extensions":{
+						"KHR_draco_mesh_compression":{
+							"bufferView":1,
+							"attributes":{
+								"POSITION":0,
+								"NORMAL":1
+							}
+						}
+					},
+					"indices":5,
+					"mode":4
+				}
+			]
+		},
+		{
+			"name":"Bras cool_tex",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":6,
+						"NORMAL":7
+					},
+					"extensions":{
+						"KHR_draco_mesh_compression":{
+							"bufferView":2,
+							"attributes":{
+								"POSITION":0,
+								"NORMAL":1
+							}
+						}
+					},
+					"indices":8,
+					"mode":4
+				}
+			]
+		}
+	],
+	"accessors":[
+		{
+			"componentType":5126,
+			"count":28803,
+			"max":[
+				20.597841262817383,
+				9.185746192932129,
+				-12.412147521972656
+			],
+			"min":[
+				1.192683219909668,
+				-13.97519302368164,
+				-87.45427703857422
+			],
+			"type":"VEC3"
+		},
+		{
+			"componentType":5126,
+			"count":28803,
+			"type":"VEC3"
+		},
+		{
+			"componentType":5123,
+			"count":28803,
+			"type":"SCALAR"
+		},
+		{
+			"componentType":5126,
+			"count":767253,
+			"max":[
+				166.60317993164062,
+				103.69795227050781,
+				-1071.2083740234375
+			],
+			"min":[
+				-146.9969024658203,
+				-108.19248962402344,
+				-1306.1260986328125
+			],
+			"type":"VEC3"
+		},
+		{
+			"componentType":5126,
+			"count":767253,
+			"type":"VEC3"
+		},
+		{
+			"componentType":5125,
+			"count":767253,
+			"type":"SCALAR"
+		},
+		{
+			"componentType":5126,
+			"count":426030,
+			"max":[
+				204.04287719726562,
+				489.7914733886719,
+				-1805.937744140625
+			],
+			"min":[
+				-15.634122848510742,
+				172.8999481201172,
+				-2102.03125
+			],
+			"type":"VEC3"
+		},
+		{
+			"componentType":5126,
+			"count":426030,
+			"type":"VEC3"
+		},
+		{
+			"componentType":5125,
+			"count":426030,
+			"type":"SCALAR"
+		}
+	],
+	"bufferViews":[
+		{
+			"buffer":0,
+			"byteLength":120866,
+			"byteOffset":0
+		},
+		{
+			"buffer":0,
+			"byteLength":2940978,
+			"byteOffset":120868
+		},
+		{
+			"buffer":0,
+			"byteLength":1697214,
+			"byteOffset":3061848
+		}
+	],
+	"buffers":[
+		{
+			"byteLength":4759064,
+			"uri":"Downgrade_sculpture2.bin"
+		}
+	]
+}
diff --git a/model-viewer/statut2/Sculpture2_test.glb b/model-viewer/statut2/Sculpture2_test.glb
deleted file mode 100644
index 25dc43a3b7fd7367e0b4706111818188ed3375b7..0000000000000000000000000000000000000000
Binary files a/model-viewer/statut2/Sculpture2_test.glb and /dev/null differ