Nuts and Bolts art, I love it

Via: http://ottonero.blogspot.com/2009/04/bulloni-rondelle.html but for many galleries see: http://www.flickr.com/photos/browndogwelding/collections/ it's a butt ton of galleries and photos of each piece
Art work of Brown Dog Welding: http://www.browndogwelding.com/