A 3D model of a vintage household sewing machine, featuring a metal frame, wooden tabletop, white drawers, and sewing accessories like scissors and yarn spools. It has detailed mechanical parts and a classic aesthetic, suitable for sewing projects, vintage home decor, and craft displays. (类目纠正为：Household Sewing Machine)

A 3D model of a mysterious underwater cave, with wooden frame, underwater plants, coral-like structures, blocky platforms, in a cartoonish, low-poly aesthetic. It has low polygon count and is suitable for desktop decoration, game assets.

A 3D model of a full-length mirror, featuring a black metal frame, arched top, and black base. It has clean lines and a modern minimalist aesthetic, suitable for home decor in bedrooms or living rooms. (Note: Category corrected from "Other" to "Furniture/Home Decor" as the object is a full-length mirror.)

A 3D model of a staircase, featuring stone steps and black metal handrails, with a minimalist design aesthetic. It has clean geometric lines and is suitable for indoor architectural environments.