title: How to rotate or scale 3D model scn file in AR kit
body: <p>this class render my SCN file as well. </p>
  
  <pre><code>import UIKit
  import ARKit
  
  class SimpleViewController: UIViewController {
  
      @IBOutlet var sceneView: ARSCNView!
  
      override func viewDidLoad() {
          super.viewDidLoad()        
          sceneView.scene = SCNScene(named: "duck.scn", inDirectory: "models.scnassets/furniture")!
      }
  
      override func viewWillAppear(_ animated: Bool) {
          super.viewWillAppear(animated)
          sceneView.session.run(ARWorldTrackingConfiguration())
      }
  
      override func viewWillDisappear(_ animated: Bool) {
          super.viewWillDisappear(animated)
          sceneView.session.pause()
      }
  }
  </code></pre>
  
  <p>but I know how can I rotate or scale my object (<code>duck.scn</code>) file. I would like to user can do interaction with my object.</p>