HerrDeacon
Over 1,000 Posts
Cool vid of a motorcross helmet being machined from a block of aluminum. Must have took quite a while, lots of very intricate details.
http://www.gaskrank.tv/tv/motorrad-fun/36-kg-schwerer-alu-daishin-cro-10963.htm
http://www.gaskrank.tv/tv/motorrad-fun/36-kg-schwerer-alu-daishin-cro-10963.htm