Excessive lift during cut

Using the coutour function my path involves likely a thousand rise to safe, back down and cut possible 3mm sometimes less. I think it should be a nice smooth continuous run end to end instead of incessant pecking.
I expect I have something set wrong. Would appreciate a look see.
David
coutour.kmz (428.5 KB)

the traditional contour operation has difficulty with slightly curved surfaces are are very nearly flat. pocket + contour does a better job. but does not currently respect Z bottom

pocket contour.kmz (713.2 KB)

That might be exactly what I need! Machining stopped at the mid way mark so my entire blade was not cut, I think. Ended up kind of confused looking.

Thank you Stewart.

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