Digitally Fabricated Bookshelf by DBD Studio was designed for their condo in Washington, DC. 

They said,

The owner had a severe lack of storage for household items, as well as no display options for objects collected from his worldwide travels. The large bookshelf serves as both an art piece in itself and a functional storage/display system. An organic curving surface was created in Rhino that stretched from floor to ceiling and overhead, terminating at the existing bulkhead. 17 sheets of 3/4? birch plywood were then CNC milled to notch together and form the undulating, gridded mass.

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