Update public/index.html

public/index.html

@@ -108,13 +108,13 @@
 
             // Models
             const loader = new GLTFLoader();
-            loader.load('https://example.com/sunflower.gltf', (gltf) => {
+            loader.load('https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf', (gltf) => {
                 sunflowerModel = gltf.scene;
                 sunflowerModel.scale.set(0.5, 0.5, 0.5);
                 sunflowerModel.position.set(0, 0, -2);
                 scene.add(sunflowerModel);
             });
-            loader.load('https://example.com/robot.gltf', (gltf) => {
+            loader.load('https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb', (gltf) => {
                 robotModel = gltf.scene;
                 robotModel.scale.set(0.5, 0.5, 0.5);
                 robotModel.position.set(0, 0, -2);