Patent ID: 8418982

Claim:
A support structure comprising: a. a plurality of elongated members having a predetermined length and axis, the elongated members extending above a supporting surface at an angle “T” between said axis and said supporting surface, and extending angularly relative to each other, and crossing each other contiguously proximate a line perpendicular to said supporting surface, b. a ring having a predetermined shape for pressing together said elongated members proximate said line perpendicular to said supporting surface, each of said elongated members comprising: three or more member sides extending parallel to said axis, an orthogonal cross section substantially perpendicular to said axis, said orthogonal cross section comprising two sides having an angle “A” between each other, an horizontal cross section substantially parallel to said supporting surface when said elongated member is tilted at said angle “T” with said supporting surface, said horizontal cross section comprising two sides having an angle “B” between each other, each of said elongated members having a recess formed therein, each said recess being formed in an internal member side of the elongated member such that said recesses form a continuous recess when said elongated members cross each other contiguously proximate said line perpendicular to said supporting surface, and being tilted above said supporting surface at said angle “T”, and wherein said ring is inserted inside said continuous recess, said angle “A” being predetermined for said angle “B”, to be substantially equal to 360° divided by the number of said elongated members included in said support structure when said elongated members are tilted at said angle “T”, said ring confining said elongated members, and providing a frictional and interlocking engagement between said elongated members, wherein said elongated members are frictionally engaged between each other, interlocked, and crossing each other contiguously proximate said line perpendicular to said supporting surface, and being tilted above said supporting surface at said angle “T”.