Lot-ek architects (located in New York) designed in 2000 for the Edizioni Press pivoting walls/bookcases made of sinks.
Project description:
'Eighteen 12" deep double tub stainless steel sinks are assembled to form to pivoting vertical panels. Hinged on a central pivot the panels are used both as rotating dividers and as storage/display units. The back of each panel is coated with automotive paint and finishes with clear rubber. See for more info their website: www.lot-ek.com
Under the tab 'Lot-ek objects' you'll find the project under 'sink-wall'.
See also the info about kitchen sinks under the category 'materials' on this website.