Patent ID: 8756894

Claim:
A system, comprising: corrugated board, said corrugated board is folded, or is configured by cuts and scores to be folded, into at least a plurality of blocks, said corrugated board comprising at least one of corrugated cardboard and corrugated plastic, wherein: (a) each block, out of the plurality of blocks, includes (i) a main body that is rectangular cuboid in shape, (ii) a rectangular array of protuberances on a side of the main body, said protuberances are equiangular polygonal in cross-sectional shape and comprise corrugated board, and (iii) a rectangular array of holes in another side of the main body; (b) the plurality of blocks are releasably connected to each other, each respective connection being by insertion of the protuberances of one of the plurality of blocks into the holes of one or more other blocks, wherein the protuberances of each respective block, out of the plurality of blocks, are not part of and are releasably connected to the main body of the respective block; and (c) the plurality of blocks are configured in such a manner that, when specified blocks, out of the plurality of blocks, are releasably connected to each other, a first layer of corrugated board is positioned between and compressed by a second layer of corrugated board and a third layer of corrugated board.