<https://w3schools.invisionzone.com/topic/43192-3d-model-to-adobe-flash/#comment-238429>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://w3schools.invisionzone.com/topic/43192-3d-model-to-adobe-flash/?tab=comments#comment-238388>