| 摘要 |
A base sheet of stiff material, particularly corrugated cardboard, is cut according to a predetermined configuration, is formed with a predetermined arrangement of fold lines, to enable the sheet to be foldable into a three-dimensional article having a polygonal bottom wall circumscribed by a plurality of erect side walls. One described embodiment is in the form of a kit including such a base sheet cut and formed with fold lines to define a rectangular unit, the kit also including further cardboard sheets to define partitions for the unit. A second embodiment is described wherein the base sheet is cut to define a unit of a modular configuration permitting a plurality of such units to be assembled in a modular fashion to define a shelf or bookcase.
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