Plate racks don't have to be in kitchens — they can be in a butler's pantry or vestibule area as well. Stealing space that might be otherwise overlooked looks great and gives an existing kitchen much needed extra storage.
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...here's the same rack with a new arrangement. It's a great example of how to experiment with different plates and other objects; start with a base of white china and add a few colored or patterned ones here and there until the arrangement feels right.