Abstract: A blind having a support system and a sheet material secured to at least a portion of the support system. The support system includes a number (n) of horizontal support members and a number (n+1) of vertical support members, wherein n corresponds to an integer of 2 or greater, and a plurality of flexible joints connecting each vertical support member to at least one of the horizontal support members, with at least one of the vertical support members connected by one of the joints to at least two of the horizontal support members.

Abstract: A portable shelter or camouflage support structure is formed by a plurality of bow formers that are pivoted at opposite bow ends for fan-like development about a substantially common axis or a cluster of parallel axes. Each bow former is having two or more rigid arc elements that are joined end-to-end by a polymer tubing splice joint with a substantial separation space between the two opposing ends of the rigid elements whereby the rotationally collapsed fan of the bow former elements is further folded upon itself to reduce the length and bulk of the structure without resort to independently attached and assembled elements.