Except for the flooring and lighting, Leonor Antunes’s recent exhibition at the Centro de Arte Moderna Gulbenkian (CAM) was entirely suspended, each sculpture drawn downwards by gravity, but released from the floor. The artist borrows materials and techniques from craft traditions—rattan, leatherwork, bead weaving, metal worked with a jeweller’s precision—but a cursory glance gave little else away. It is as though Antunes’s work politely demands concentration, refusing to meet the eye of a distracted visitor...