Comprehensive research on a unique painting genre from fourteenth-century China. In Painting Architecture, Leqi Yu conducts comprehensive research on jiehua, or ruled-line painting, a unique painting genre in fourteenth-century China. This genre relies on tools like rulers to represent architectural details and structures accurately. Such technical consideration and mechanical perfection linked this painting category with the builder’s art, which led to the belittling of Chinese elites and eventually won the admiration of Mongol patrons.