title: CATransform3D for get an Isometric view
body: <p>Ok guys, after reading a lot of questions, I managed to get my hexagonal grid painted, not very well indeed, but it works and this is what I need. 
  Now, my next step is to get this plane view in isometric view, something like this map:</p>
  
  <p><a href="http://www.issamtp.org/gnfGr.jpg" rel="nofollow noreferrer">http://www.issamtp.org/gnfGr.jpg</a></p>
  
  <p>I hope that the way is to use a simple CAAffineTransform or CATransform3D, but I'm really stuck about this. Can someone help me? </p>