Really cool - never seen before - this will be great sculptures in Copper 
added sam more videos
turntable of sphere full of reliefs:
http://www.youtube.com/watch?v=tvG80ySbRxI
http://www.youtube.com/watch?v=Rn2823ZUpjg
and one more timelaps video
http://www.youtube.com/watch?v=34wYnNFhJ98
