Quote Originally Posted by WESTERNAERO View Post
He put a part in a "V" attached to the tool post, put a cutting tool in the spindle and ran the cross slide with the part across the spinning tool? Definitely creative but it's nice to have the free end of the part on a center.
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Funny, that was my first thought. Then I started thinking maybe he somehow locked the spindle and the end on a center, and used a cutting tool to broach a slot by dragging it over the shaft multiple times.
That's what I get for thinking too much