Evoking the Roman castra, or fortified camps, the sofa’s design calls to mind an overhead view of the reinforced walls. There is a precise and inviting tension here between the solidity of the structure and the lightness of the assembly. And thanks to its easygoing, generous design, the entire family of sofas and linear and curved modular elements conveys the idea of a snug, protective basket. Castra’s structure, entirely tubular metal, is composed of shaped vertical elements with a circular perimeter, thus forming a powerfully expressive wide-ribbed cage