Oh my bad. "Plane normal", which makes sense. I thought it meant "object normal". Currently, the CAM program I have has an "object normal" selection, which I rarely use for the stated reason. I set a cplane and then use the "Z" option. (CAM does have different circumstances to control)
As long as it was using one of the planar directions would be correct, then the "set dir" can be enabled if "you knew" you needed it to go somewhere specific.
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