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 CraftersCompanion
by CustomCrops
by whimsicalwendy
by PinturaFacil Scrap y Manualidades
by KirigamiArt
by Creativity With Rukmani
by SaCrafters LLC
