灰色便携箱体3D线框模型

单色灰色3D建模线框渲染，一个长方体便携式箱体或设备外壳，顶部有扁平折叠提手，正面右侧有圆形开口和带铆钉的装饰面板，底部有横向凹槽和金属丝卡扣，表面呈半透明灰色线框叠加浅灰实体面，白色纯背景，3/4俯视视角，中景，均匀柔和灯光，无人物无文字，1:1画幅。

Monochrome gray 3D modeling wireframe render of a rectangular portable case or equipment housing, with a flat folding handle on top, a circular opening and a riveted decorative panel on the right side of the front face, horizontal grooves and wire clasps at the bottom, semi-transparent gray wireframe over light gray solid surfaces, pure white background, three-quarter overhead view, medium shot, soft even lighting, no people, no text, 1:1 aspect ratio.