A 3D model of an escalator, featuring metal frame, black steps, yellow safety lines and a modern industrial aesthetic. It has low polygon count, dual tracks with handrails and is suitable for commercial buildings, airports, metro stations.

A 3D model of a POS terminal, featuring a high-resolution touchscreen, cash drawer, and integrated receipt printer, with a modern, minimalist metal and plastic aesthetic. It has a sleek design and is suitable for retail stores and food service.

A 3D model of an auto mart vending machine, featuring a bright yellow body, glass doors, and a digital interface, with a modern, eye-catching design. It has multiple storage shelves and is suitable for retail and public space automated sales. （类目纠正：Auto Mart Vending Machine，属于Automated Retail Machine类别，更准确描述其功能属性。）

A 3D model of a commercial beer display refrigerator, featuring Krombacher beer bottles and a modern glass-fronted design. It has detailed textures and is suitable for bar, restaurant, or retail settings.