HAWLEY, Minn. — On a wall inside Rodney Haug's workshop south of Hawley hangs a sign that reads, "Creative Genius." It could just as easily say, "Wonder Under Construction." The backyard shed is part machine shop, part art studio. Old Minnesota license plates line one wall. A kaleidoscope jigsaw puzzle, a gift from his mother-in-law, hangs nearby. At the center of it all is Haug, cutting, polishing, fitting and tinkering. Only days earlier, the …