title: How to turn shadowing on in folds of 3D model?
body: <p>I have try to setup black shadow in depth areas of product in <code>ARKit</code> scene but do not success. I tried with this code:</p>
  
  <pre><code>node.geometry?.materials.first?.ambientOcclusion.contents = 0.5
  </code></pre>
  
  <p>I have attached required result image and current result image. </p>
  
  <p><strong>Current Result</strong></p>
  
  <p><a href="https://i.stack.imgur.com/UuqAI.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UuqAI.jpg" alt="enter image description here"></a></p>
  
  <p><strong>Expected Result</strong></p>
  
  <p><a href="https://i.stack.imgur.com/Dt1FD.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Dt1FD.jpg" alt="expected result"></a></p>