Designed by Manfred Petri . Triuna™ Collection is a comprehensive furniture offering of fine, modular wood components. Craftsmanship and detail make Triuna furniture the choice of discerning customers seeking a timeless contemporary office. The collection is designed for use in small and large offices, conference rooms, reception areas, and executive administrative areas. Components may be combined easily to create an almost unlimited variety of configurations. Triuna Collection boasts its own grouping of tables. Triuna Collection is nicely complemented in finish and detail by all other Geiger products, including a wide range of seating, tables, and textiles.