Empathy through metal January 4, 2018 lydiadavison18@gmail.com "Envelop'' ( copper with custom brass brackets, hand-formed from one sheet of copper, chased and etched), by Avery Lucas, in his show "Body of Work,'' through Jan. 28, at Bromfield Gallery, Boston. The gallery says he presents"sculptures using materials including copper, sterling silver and stainless steel, which mimic skin and body as a way to trigger empathy. ''