Patent ID: 8642156

Claim:
A method of making a_support article_comprising: accordion folding a single unitary sheet of material; defining rows of peaks and rows of valleys in said single unitary sheet, wherein the peak rows are parallel to the valley rows; defining alternating first peak points and second peak points along each peak row; defining alternating first valley points and second valley points along each valley row; defining first columns and second columns, the first columns comprising the first peak points on each said peak row and the first valley points on each said valley row and the second columns comprising the second peak points on each said peak row and the second valley points on each said valley row, each said first column being parallel to each said second column, each said first column and each said second column being perpendicular to the peak rows and the valley rows; selectively connecting said second peak point on a peak row of said single unitary sheet with said second peak point on an adjacent peak row of said single unitary sheet; and selectively connecting said second valley point on a valley row of said single unitary sheet with a second valley point on an adjacent valley row of said single unitary sheet.