An indoor stadium packed with spectators, featuring a central volleyball court, bright overhead lights, and colorful banners. Suitable for sports events, showcasing a lively and energetic atmosphere.

A 3D model of a Haier air purifier, featuring white and gold finishes, sleek ventilation grilles, and a modern minimalist aesthetic. It has low polygon count and is suitable for home or office environments. (注：原类目"Office Appliances"不准确，核心物体为家用/办公空气净化器，更准确归类为Home Appliances)

A 3D model of a drawing tablet, featuring a digital display screen and a professional stylus, with a modern minimalist design. It has high resolution and precise pressure sensitivity, suitable for graphic design and digital art creation.