Ops well yeah I meant a smaller. :P Thanks. That would be easier to do with just a thin layer of alu. Wouldn't be that hard to make a somewhat thick layer with bearing sized hole, and another thin layer of alu with a smaller hole and just screw it onto the larger layer.
that would do it. definitely a way to get around not having the right tools. good thinking!
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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.