| CPC A47C 27/144 (2013.01) [A47C 27/085 (2013.01); A47C 27/148 (2013.01); A47C 27/15 (2013.01); A47C 27/16 (2013.01); B68G 7/00 (2013.01)] | 20 Claims |

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1. A body support structure, comprising:
a gel layer formed of a first material and comprising a plurality of ridges at or above a first height and a plurality of valleys at or below a second height below the first height, each of the valleys having a convex pentagon shape that is neither equilateral or equiangular and wherein the valleys are grouped together into a rosette with rotational symmetry around a vertex.
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