Here are a lot of upright z-fold cards, but also some "regular" z- or s-folded cards. They sure are fun to make they can be varied in their layout :).
by Diy Diaries
by gx paul
by Farjana kids TV
by Vpn Creative Mind
by Antoine Snake Puzzle Tutorials
by Paper Folding Origami & Crafts
by Maremi SmallArt
