With both stackable and non-stacking options, the sledge-base 3D Dining Chair with front-facing upholstery opens up a wealth of possibilities for both home and office. Boris Berlin and Poul Christiansen of Copenhagen's Komplot Design update molded shell seating in injection-molded HiRek, a high-tech plastic made from partially recycled material. With the addition of upholstery in a choice of fine textiles or in silky leather and base finishes in matte black or bright chrome, the level of customization is nearly unlimited.