diff --git a/public/index.html b/public/index.html
index dac3a32f3a178d4aa4bd4e767aa65ee456171796..0525a6e57a15abed1af4d0f461bc8c79ff575674 100644
--- a/public/index.html
+++ b/public/index.html
@@ -24,10 +24,10 @@ async function activateXR() {
   const scene = new THREE.Scene();
 
 // Color of the torus geometry.
-const material = new THREE.MeshStandardMaterial({ color: 0x238b45, roughness: 0.5, metalness: 0.5 });
+const material = new THREE.MeshPhysicalMaterial({ color: 0x02818a, roughness: 0.5, metalness: 0.5, clearcoat: 1.0, clearcoatRoughness: 0.1 });
 
 // Create the torus and add it to the demo scene.
-const torus = new THREE.Mesh( new THREE.TorusKnotGeometry(0.2,0.2,5,4,1,2), material);
+const torus = new THREE.Mesh( new THREE.TetrahedronGeometry(1);, material);
 //position the next geometry (sphere)
 torus.position.set(0, 0, -1);
 // Add the mesh to the scene