Solved! by rkmcswain. See the answer in context.
Sort of looks like it could be the NAVBAR.
Is yours on and horizontal like that?
What is the marker?
Is it legible if you zoom in?
I have seen the NAVBAR show up on plots, even though this is a UI element and not actually part of the drawing.
Yea, that is another one of those head scratchers....
I had that show up on some final plots one time and we could not figure it out.
We finally zoomed in on the plot file and discovered it was the navbar.
No idea how a UI elements gets in a print though...
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