A 3D model of an escalator, featuring metal frames, stepped treads, and handrails, with a modern industrial design. It has a low-poly structure, smooth surfaces, suitable for commercial/transportation spaces like shopping malls and metro stations.

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 an escalator, featuring a metallic frame and marble-patterned steps, with a modern minimalist aesthetic. It has smooth, continuous step movement and is suitable for commercial spaces like shopping malls or metro stations.

A 3D model of a garment mannequin, featuring a purple torso, wooden arms, gold stand, and wireframe head, with a modern minimalist aesthetic. It has highly detailed design and is suitable for clothing display and fashion photography.