| 摘要 |
<p>The bag is formed from isosceles triangular segments of packaging material. The triangles are combined into ten larger isosceles triangles, which are connected to form three pyramids. These are connected to each via the tenth triangle. Two pyramids are connected to each other along one side, and the third triangle forms a cover. The outer surface of the bag is coated with self-adhesive film, it has an inner lining, and a thin wire around the edge of bag opening and cover.</p> |
