But at least they can't get COVID-19 March 6, 2020 RWhitcomb-editor “Too Close” ( wall installation sails, welded steel), by Andy Zimmermann, in his show “Sailing to the Edge,’’ at Boston Sculptors Gallery, through March 29.Mr. Zimmermann uses translucent materials to filter light. He also works with recycled materials, which has led him to use old weathered sails as his preferred materials. The installation in this show includes 12 sections of sails and metal sculpture, creating a maze-like space that can be reconfigured with every installation.