Melting metal to create artwork. This is a video which shows a rare method of blending different metals to make one artwork.
By Eitoku Sugimori, resarcher of plastic expression, Japanese aesthetics and art history, author of Japanese Patinas and Japanese Metalsmithing Patination.
http://www.amazon.com/Japanese-Patinas-Eitoku-Sugimori/dp/1929565119