Last Friday, I took sent DXF files of the cam and the crank arm to a local firm that has a water-jet cutter. Today I got them back and they look fantastic. It cost me about $50 to do, but it saved me a lot of time I otherwise would have had to spend to make the parts by hand. The holes needed a bit of reaming and one of them needed to be threaded, but other than that, there was little I had to do to them.
The crank arm and cam.
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