diff --git a/models/box.bin b/models/box.bin
new file mode 100644
index 0000000..0cd4e11
Binary files /dev/null and b/models/box.bin differ
diff --git a/models/box.glb b/models/box.glb
deleted file mode 100644
index b1b1466..0000000
Binary files a/models/box.glb and /dev/null differ
diff --git a/models/box.gltf b/models/box.gltf
new file mode 100644
index 0000000..da22ead
--- /dev/null
+++ b/models/box.gltf
@@ -0,0 +1,112 @@
+{
+    "asset" : {
+        "generator" : "Khronos glTF Blender I/O v1.4.40",
+        "version" : "2.0"
+    },
+    "scene" : 0,
+    "scenes" : [
+        {
+            "name" : "Scene",
+            "nodes" : [
+                0
+            ]
+        }
+    ],
+    "nodes" : [
+        {
+            "mesh" : 0,
+            "name" : "Cube"
+        }
+    ],
+    "meshes" : [
+        {
+            "name" : "Cube",
+            "primitives" : [
+                {
+                    "attributes" : {
+                        "POSITION" : 0,
+                        "NORMAL" : 1,
+                        "TANGENT" : 2,
+                        "TEXCOORD_0" : 3
+                    },
+                    "indices" : 4
+                }
+            ]
+        }
+    ],
+    "accessors" : [
+        {
+            "bufferView" : 0,
+            "componentType" : 5126,
+            "count" : 24,
+            "max" : [
+                1,
+                1,
+                1
+            ],
+            "min" : [
+                -1,
+                -1,
+                -1
+            ],
+            "type" : "VEC3"
+        },
+        {
+            "bufferView" : 1,
+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC3"
+        },
+        {
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+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC4"
+        },
+        {
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+            "componentType" : 5126,
+            "count" : 24,
+            "type" : "VEC2"
+        },
+        {
+            "bufferView" : 4,
+            "componentType" : 5123,
+            "count" : 36,
+            "type" : "SCALAR"
+        }
+    ],
+    "bufferViews" : [
+        {
+            "buffer" : 0,
+            "byteLength" : 288,
+            "byteOffset" : 0
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 288,
+            "byteOffset" : 288
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 384,
+            "byteOffset" : 576
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 192,
+            "byteOffset" : 960
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 72,
+            "byteOffset" : 1152
+        }
+    ],
+    "buffers" : [
+        {
+            "byteLength" : 1224,
+            "uri" : "box.bin"
+        }
+    ]
+}
diff --git a/models/sphere.glb b/models/sphere.glb
deleted file mode 100644
index 91237f3..0000000
Binary files a/models/sphere.glb and /dev/null differ