How to fill plots with hash lines?

i want to fill different regions in a graphs with hash lines (vertical, horizontal , diagonal etc of different colours) so that the overlapping areas can be easily understood. Since colours after many overlaps appears different, so i want to fill with lines. plz help!

Does this answer your question?
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Black & white hash filling under curves


](Black & white hash filling under curves)

Thanks Sam. Let me try the same with my 16 overlapping plots on a single graph… :slight_smile: