title: How to programatically save arkit object in .dae format
body: <p>I am working on an app the creates a 3d mesh of users face. I am successful in generating data of a users face. </p>
  
  <p>I want to programatically save this data in .dae format so that i could export my .dae file, edit that in 3d softwares like blender, and than further import it in my iphone and display that file in sceneview.</p>
  
  <p>Long story short i want programatically save the data in .dae format. I am not able to find anything on internet about this.</p>
  
  <p>If there could be another approach then please tell me.</p>