 1;
    rr.rotation.x = 180 * (Math.PI / 180);

    let carwrapper = document.createElement('div');
    this.object = new THREE.CSS3DObject(carwrapper);
    this.object.add(fl).add(fr).add(rl).add(rr).add(body);
    this.object.position.x = 700;
    this.object.position.y = 800;
    this.object.position.z = -5;
    this.engine.scene.add(this.object);
  }
}
            </code></pre>
          </section>
          <section>
            <iframe width="100%" height="600" data-src="/ch5.html">
            </ifra