Spacial structure

摘要

A special structure comprising equidistantly positioned knuckles, a set of sections, and means for joining either end of said sections to said knuckles, where each knuckle is made up from two hollow base pieces whose outside shape is approximately that of a spherical shell in which there is a number of equidistantly positioned holes at an angular distance of a width respect to one another. At least one of the base pieces has a perimeter area which is bent inwards. An arrangement for the attachment of the first base piece is provided. When the base pieces are joined together all equidistantly positioned holes lie at an angular distance with respect to one another.