The professor was nice enough to spend some time with me showing me how he did his. Not set up to work with metal though I made a similar duplicator in wood and it works nicely. I am still trying to get used to it grabbing the workpiece though but as time goes on it grabs less as I get more control with it. They do make commercially produced duplicators for it and the drill chuck for it is easy to come by also (thats my next purchase for through drilling). Heck I figure I'm only at $80 a plug by now oh the addiction at least I don't get hung over this way.
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