In early June of 2022, Jason Naftzinger of Easton, Pennsylvania, was standing atop a set of outdoor stairs on the side of his home when chaos ensued on his quiet, suburban street. A behemoth, 1,000-pound slab of granite (10 feet long and more than four feet wide), hanging from the boom of a crane, began relentlessly spinning in midair as Naftzinger nervously watched on, hoping it wouldn’t go plunging to the street below. The piece was designated to top a bar he built in his nearly finished cigar loft above his garage. It was the last, critical leg of a grueling two-year process that included home remodeling work, meticulous planning and DIY. The fate of his dream smoking room hung in the balance of this expensive, now-spiraling slab of granite.…