Non-Modular Pyramids: 10

The boxes shown on this page were designed by Tomoko Fuse. Each lid requires one square sheet of paper. Each base requires one square sheet of paper for its outer structure and a smaller square sheet for an inner liner.
 
Some origami liners are purely decorative and may be omitted, but not in this case. Here the liner is needed to lock some interior flaps in the base and to strengthen its floor.
 
These boxes have a charming elfin quality, but are not practical for gift-giving because the lids do not fit securely. They would make cute favors at a party for kids.