Art

“Lee Bontecou: A Retrospective” offers the fullest accounting to date of the pivotal reliefs in welded steel, rough canvas and twisted wire that Bontecou made in New York beginning in 1959. It also unveils the work she has been creating over the last 26 years. Her works from the 1980s and after might at first seem to be conventional mobiles -- curved forms of fragile wire mesh, delicate welded rods and porcelain beads. But they’re not. Particles explode out from those. The new work creates a new form: mobile reliefs.

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Ends Sunday at the UCLA Hammer Museum, 10889 Wilshire Blvd., Westwood. Bontecou Blast party with refreshments, music and no-host bar open to the public Friday, 6 p.m. to midnight. Free. (310) 443-7000.