灰色3D线框圆环座凳模型

3D线框渲染风格的灰色单色圆环座凳模型，白色纯净背景，画面中央单件物体，略微俯视的正面视角；顶部为分段块状圆环座面，四条细长直腿向下外撇，中央粗立柱带分段环状结构，底座为带缺口圆盘，底座上方伸出短横杆，表面可见网格线框与浅灰实体明暗，柔和均匀棚拍光，无文字，整体构图垂直居中，画幅比例约3:5。

3D wireframe render of a gray monochrome ring-seat stool model on a clean white background, centered single object, slightly elevated front view; segmented block-like circular seat ring, four slender straight legs splaying outward, thick central column with stepped ring details, circular base with cutout notches, short horizontal crossbars near the base, visible mesh wireframe over light gray shaded surfaces, soft even studio lighting, no text, vertical centered composition, aspect ratio about 3:5.