A 3D model of a multifunctional office printer, featuring multiple drawers, color/black-and-white printing, and a sleek, professional design. It has high resolution, efficient performance, suitable for office environments and document processing tasks.

A 3D model of a water dispenser, featuring stainless steel and plastic materials and a modern minimalist design aesthetic. It has low polygon count and is suitable for office use.

A 3D model of a Haier floor-standing air conditioner, featuring a sleek white plastic and metal body with a Haier logo, and a modern clean design aesthetic. It has detailed ventilation grilles and low polygon count, suitable for home and office environments. （注：原类目Office Appliances可能不准确，柜式空调更属Home Appliances，已纠正。）

A 3D model of a HP LaserJet 1320 printer, featuring sleek white and dark gray design, durable plastic/metal components and a clean, professional office aesthetic. It has high detail with low polygon count, optimized for product visualization, suitable for office environments, document printing, business/personal use.