<http://schema.org/mainEntityofPage>
<http://aolblog.aol.com/2014/10/18/3d-printed-car-from-start-to-finish-in-less-than-t/>
<http://www.aol.com/article/2014/10/18/3d-printed-car-from-start-to-finish-in-less-than-t/20980401/>