For designers at SOHN this chair is what: a simple seat with clean lines and an iconic profile. The chair, known as the One Liner , takes a single tube of metal to draw out the frame for the seat.

In a furniture store, it’s a chair. In an art gallery, it’s a sculpture. But at International Objects in Brooklyn, it could be either, neither or both.

The latest addition to that lengthy list are the designers at SOHN, who based the form of their elegant “One Liner” chairs off of Picasso’s simple line drawings.Made from powder-coated ...