

I suppose you could get a shape like this if you tried to draw a square by true headings and bearings near the North pole of a sphere. “Turn heading 090, travel 10 miles. Turn heading 180, travel 10 miles.” and so forth. Start at a spot close to the pole and this will be your ground track.
Actually no it isn’t, because attempting to make a square you’d make four turns in the same direction, this would require turning left, right, right, left.
Amateur mayonnaise practices until it gets it right.
Professional mayonnaise practices until it does not get it wrong.