@mcdanlj@smellsofbikes Here's a picture that shows the same two tool edges each cutting two dovetail edges. They are indeed curved tool edges, but it's the same curve. So two tools can cut those two dovetails, and two more tools can cut the other two dovetails.
You should be able to intersect the tools' cuts with a plane that intersects the axis and get the tools profiles. (I have no idea how to convert that into an actual tool, though. I have never gotten into CNC.)