title: 3d Models in WPF
body: <p>My question is simply</p>
  
  <ol>
  <li><p>How can I get a file with .3ds  or .obj extension loaded in a wpf project?</p></li>
  <li><p>How can I drag and drop  that 3d model  with the mouse?</p></li>
  </ol>
  
  <p>(I'm doing a 3d chess project) </p>