| 摘要 |
A regressively tiered structure defining at least part of a package includes first and second tiers and a ledge. The first vertically-extending tier defines in plan a first hollow, polygonal, substantially closed figure having edges. The second vertically-extending tier defines in plan a second hollow, polygonal, substantially closed figure having edges, the second figure being in plan of appreciably smaller dimensions than and typically of the same configuration as the first figure. The horizontally-extending, generally planar, ledge is disposed intermediate to and connecting the edges of the first and second tiers which are disposed in generally a common plane, the ledge defining a plurality of overlapping ledge sides. The first and second tiers and the ledge are formed from a single sheet of flexible material.
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