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Your reply didn't load before I wrote mine. I may try your way and see. The biggest issue I had with using a ball nose is that it scooped instead of cupped too much.

whoops I am thinking ramp with a small stepdown is my best option

I am using fusion360 and have an 1/8th inch fillet on the outside edge to top edge of the part. I don't have a round-over bit and am hoping to step the edge of this and sand it smooth (wood). I am...

Thats exactly what I was looking for, you are awesome!

Is there anyway to change where a helical ramp starts at? I could raise the ramp rate but don't mind a slower cut as much as the fact that it starts like half an inch about the surface.