The 21st annual Philadelphia Invitational Furniture Show takes over the 23rd Street Armory April 10, 11 and 12, with handmade creations from furniture makers, woodworkers, weavers, potters and more.On Saturday, experts from the American Society of Interior Designers and the International Furnishings and Design Association will be on hand to give advice on picking out furniture for your home or office.Here are five local designers you should be sure to check out at the show:Peter HandlerPhiladelphiawww.handlerstudio.comPeter Handler has an unusual process: He takes nature photos, prints them onto wood and aluminum, and then builds unique furniture from there.Steve DoneganPhiladelphiawww.lamp-artisan.comSteve Donegan makes one-of-a-kind lighting pieces, often with vintage parts.Ken MariniPhiladephiawww.kenmarini.comThe Ebanista table, shown, is an example of designer Ken Marini’s creative woodworking style.Charles ToddPhiladelphiawww.toddfurniture.comCharles Todd’s Mt. Airy Custom Furniture uses traditional methods of woodworking, likehand-planing and mortise and tenon joints to seamlessly connect pieces of wood.Jesse HarringtonChester Countywww.harringtondesignstudio.comJesse Harrington and his dad, Bob, create pieces both together and individually at their Harrison Design Studio. Jesse usd elm to make this tripod coffee table.Philadelphia Invitational Furniture ShowApril 11 and 12 (Preview party is April 10, 6 to 9 p.m., $40)23rd Street Armory22 S. 23rd St.$12 in advance, $15 at the door 215-387-8590www.philaifs.com