In a vintage retro kitchen, a decorative plate rack can be a perfect addition to enhance the nostalgic charm. Look for a plate rack with a retro design, such as ornate scrollwork or colorful patterns. This will create a focal point in the kitchen, showcasing your collection of vintage plates and adding a touch of whimsy. The plate rack can be placed on a countertop or mounted on the wall, bringing a delightful retro vibe to the space.