I was visiting my friend Mario Juarez’s metal working shop (dynamicwelding.us) in San Diego recently. Watching him create a useful part from a chunk of metal was a study in materials, skill, technology, and how artist-craftsmen can run a business.  The video below shows the ironworker machine punching out holes.

[quicktime]http://www.terezakis.org/itp/video/mario-ironworker-vid.mov[/quicktime]