The raised ruyi cloud patterns on the western side are robust and grand in spirit; the cup is decorated with delicate incised ruyi cloud patterns, adding a visual sense of lightness and elegant simplicity to the body. The ruyi pattern is a heart-shaped motif with a symmetrical double-spiral structure. The Qing dynasty *Record of Alternative Names for Things* states: > "The ruyi was originally an ancient scratching staff." The ruyi already appeared during the Han dynasty, and later gradually evolved into ornamental ruyi objects used for display, becoming a conventionally established auspicious symbol representing "perfect satisfaction" in folk culture. During the Qing dynasty, the "ruyi" was widely used in the imperial court—from festival celebrations and study room furnishings to the emperor's enthronement ceremonies and diplomatic protocols, the presence of the ruyi was indispensable. Ruyi decorative patterns also had a widespread influence among the common people, becoming a mainstream decorative motif during the Qing dynasty and Republican period. When Gu Jingzhou created the "Imitation Drum Ruyi Teapot," he creatively integrated ruyi pattern decoration into the Zisha clay form. He pressed ruyi rib patterns onto the cylindrical body of the traditional imitation drum teapot, making the vessel's spirit lively and animated, with undulating rhythms that created an abundant visual effect. The two ends of the bridge-shaped knob on the lid naturally extend into two ruyi patterns, light and well-proportioned, echoing the decorative patterns on the body. Additionally, the craft lines composed of straight lines, curves, and other elements, with their subtle convex and concave undulations in three-dimensional space, enriched the layering, sense of volume, and sculptural beauty of the Zisha clay form's spatial structure. The appropriate application of these techniques in the crafting process... --- [Note: The text appears to end mid-sentence in the original]