Revelry Gallery explores new ground with this group concept show dubbed “ALT” (alternative.) “ALT” presents artwork fabricated from alternative materials such as books, blades, origami paper, straws and more. The art includes sculptures and two-dimensional pieces that range from large installations to miniatures. Participating artists include: Mike McCarthy, Liz Richter, Susan Howe, Randell Madden, Bri Bowers, Lyndi Lou, David Nichols, John Darko, Tatiana Rathke, Monica Stewart, Paul Nelson, Linda Erzinger, Maya Griffin and Ryan Metro. Join the artists for an opening reception from 7 to 10 p.m. Saturday, July 20. —J. Cobb