Cubicle culture and architecture has arisen as a major subtheme in art, with sculptures remixing office parts into absurdist, high-minded abstractions, or deadpan photographs made from paper dioramas that look real, or documentary videos you still can’t believe aren’t fiction. In the parlance of the British Office, Seattle artist Graham Downing is the smart prankster Tim. Tonight, he opens a show of his photo-documentations of paintings he’s secretly hung in office environments, also secretly photographing them after hours. He puts bugs in the systems. (LxWxH, 6007 12th Ave S,, 6–9 pm, free, through Feb 1 by appointment)