diff --git a/src/script.js b/src/script.js
index 9139cc1..7024317 100644
--- a/src/script.js
+++ b/src/script.js
@@ -14,8 +14,18 @@ const scene = new THREE.Scene();
 /**
  * Object
  */
-const geometry = new THREE.BoxGeometry(1, 1, 1);
-const material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
+// const geometry = new THREE.BoxGeometry(1, 1, 1);
+
+const positionsArray = new Float32Array([
+	0, 0, 0,
+	0, 1, 0,
+	1, 0, 0
+]);
+
+const geometry = new THREE.BufferGeometry();
+geometry.setAttribute('position', new THREE.BufferAttribute(positionsArray, 3));
+
+const material = new THREE.MeshBasicMaterial({ color: 0xff0000, wireframe: true });
 const mesh = new THREE.Mesh(geometry, material);
 scene.add(mesh);