Somewhat OT - looking for a small .xyz or other *non-grid* terrain file

Hi all,

For a terrain model exercise I’m doing for our apprentice modelmakers class next week, I would like to find a not-too-huge points file for import. I have tons of ASCII Grid files which have the points in a square grid, but I can’t find any files in my storehouse that are points files not in an organized grid. I just want to show the difference between the two. If anyone has a small file that they are willing/able to share, I would be very grateful! This is not for any kind of commercial purpose, only educational, but it will get distributed to the apprentices, so it can’t be anything proprietary. Thanks !