Dowels siding Solid Design Style: Mid-Century Modern (MCaM) / Scandinavian / Danish Modern. Attribution: This specific design is widely attributed to or made in the style of Arthur Umanoff, a prominent American industrial designer known for his use of wrought iron, leather, and slender wood slats or dowels. Materials: Typically constructed from solid oak or blonde wood with a clear, natural finish. Function: Aside from organizing magazines and newspapers, these vintage holders are frequently sought after by collectors to use as vinyl record caddies or book stands.