I like to fold Origami boxes but these are even better: you can stack them.
Once I folded them and used them for little beads but by now I have thrown them away.
Actually it’s a pity.
Links:
Mike’s Origami – Origami Diagram Links – Boxes and Containers => click ‘Tower Boxes’ (PDF, ca. 82 KB)
Here at unikatissima:
Entries with the tag ‘box’
Entries with the tag ‘origami’
Folded boxes:
Paper Matchbox Slide Box
Curved Box not only for an Advent Calendar