Assertion: shaver's design | /r/CapableOf | use 3d modeling
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text: Starting with a clean sheet, Ron Sperry–a longtime powertrain engineer at General Motors who is now consultant–drew up the original design using 3D modeling, and Rick Shaut–a veteran out of the Earnhardt Childress Racing shop–took care of producing the prototypes on his home-based 5-axis CNC machine.