William, a while ago you posted the project for slats for the waste board, thank you btw!
Now I saw that in that project the outer edge is designed as a pocket around the outer edge of a rectangle. It was my impression so far that such a pocket always is drawn inside a rectangle, with outer limits of that rectangle being the outer limit of the pocket.
Now the slat project does not have an outer edge for the pocket. How come?
so you add a contour toolpath? first a pocket toolpath to reduce friction, less deep than the stock, and additionally a contour toolpath now with tabs?