industrial guardrail 3d model

One single straight industrial warehouse safety guardrail panel only, modular reusable fence segment for AGV lane separation and robot work zone protection. The model should be one straight guardrail segment, not a corner and not an enclosed fence. Structure requirements: three vertical round steel posts, two horizontal round rails, and a welded wire mesh panel between the posts and rails. The wire mesh should be thin metal grid, square mesh pattern, realistic welded steel wire, not a solid plate. Yellow painted steel frame, dark gray or galvanized metal wire mesh, small black rubber caps on the top of each post, welded joints, subtle metal seams, slight paint wear, small safety warning stickers, realistic industrial warehouse safety fence style, clean engineering proportions, realistic scale, high quality 3D model. No floor panel, no platform, no wall, no warehouse scene, no boxes, no AGV, no people. Only one straight fence panel, suitable for being duplicated and connected in Three