diff --git a/public/index.html b/public/index.html
index c3759eb6001bbf5e639da75d5781392732dc5a35..6bfa973ab5ed94fe9223999d34f441a66ef295c4 100644
--- a/public/index.html
+++ b/public/index.html
@@ -34,7 +34,7 @@ const materials = [
 ];
 
 // Create the cube and add it to the demo scene.
-const cube = new THREE.Mesh(new THREE.BoxBufferGeometry(0.5, 0.5, 0.5), materials);
+const cube = new THREE.Mesh(new THREE.BoxBufferGeometry(0.2, 0.2, 0.2), materials);
 cube.position.set(0, 0, -1);
 scene.add(cube);