A 3D model of a small office appliance, featuring sleek gray and white plastic, a flat rectangular design with multiple ports, minimalist aesthetic. It has low-poly modeling, suitable for office environments.

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 projector screen, featuring a gray frame and white surface with a sleek design. It has a flat, foldable structure and is suitable for office meetings and presentations.

A 3D model of a graphics tablet, featuring a pressure-sensitive screen, stylus pen, and foldable stand, with a modern, minimalist design. It has high-definition display and precise pen tracking, suitable for office, design, and note-taking.