title: 3d flipping/rotation in flex-actionscript 3
body: <p>I want to make an flipping card object which has three sides, basic requirement is like below</p>
  
  <p><a href="https://i.stack.imgur.com/4aMxm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4aMxm.png" alt="card flip"></a>
  </p>
  
  <p>as in image, I want to rotate from horizontal center of card but I can not find any way to change orientation of rotation except put card in an container and set its <strong>x to -(width/2)</strong> I am using <strong>appendRotation</strong> method after setting its z component to 1 and everytime appending -5 rotation on Y axis. </p>
  
  <p>How to achieve this elegantly? any suggestions appreciated...</p>