“Valparaiso Green Cloak for Three’’ (stitched fabric), by Pia Camil, in her show “Velo Revelo,’’ at the Clark Art Institute, Williamstown, Mass., through Jan. 3. The show has two sculptures that use fabric, that, according to museum, recall “Mexican craft and modernist American paintings. Her works evoke themes of public and private space, indigenous craft, gender and identity.’’