空心长方体3d模型

10cm 3d printing 3d printing realistic 5mm cavities holes props props 3d printing props 3d printing realistic props realistic realistic rectangular prism wall thickness

Prompt

白色中空长方体，长 20cm，宽 10cm，高 4cm，壁厚 1.5mm。上表面中心区域均匀分布 4 个正方形凹槽，凹槽边长 0.8cm，深度 0.5cm。凹槽位置：距离长边边缘 3cm，距离短边边缘 4cm。左右两侧面中心各有 2 个圆形通孔，孔径 0.6cm，孔距 4cm，距离上下边缘各 1.5cm。两端端面各有一个小型环形凸起，用于悬挂链条。整体密封中空，轻量化结构

4K·v3.1-20260211

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