A three-dimensional rack useful in a pick-up truck or trailer having a bed with raised vertical side walls and a hinged rear tailgate. The rack has a first crossbar the ends of which are pivotally received at the opposed inside walls of the truck or trailer bed, a pair of matched spaced apart arms affixed to the first crossbar and a second crossbar affixed to said pair of arms, the arms being shaped so that the crossbars are horizontally and vertically displaced from each other while being parallel to each other.