>>11738325Many websites have them, Serebii included. You can print them or just take the pictures on your computer/cellphone screen, but you can't move them freely there.
Also, the markers are in the dex itself, each mon has their own in the entry. You can draw them in paper, but if you aren't tidy enough the viewer may not find it (I've printed some with an old machine, the ink was bad and it didn't find them either).