Silhouette Art

http://www.gagosian.com/artists/tim-noble-and-sue-webster/#/images/1/

Tim Noble and Sue Webster, create a realistic shadow using a 3d sculpture..
http://www.saatchi-gallery.co.uk/artists/noble_webster_articles.htm

http://www.britishmuseum.org/the_museum/museum_in_london/london_exhibition_archive/statuephilia/noble_and_webster.aspx