road sign Low-poly (Polygon mesh 3D model) is available on CGTrader for $6. Original author: Victoriasentius.
BLEND (Blender, filesize: 187 KB), OBJ (OBJ, filesize: 97.5 KB), FBX (Autodesk FBX, filesize: 119 KB), GLTF (glTF, filesize: 158 KB), PLY (Ply, filesize: 94.8 KB), STL (Stereolithography, filesize: 93.2 KB), 3DS (3D Studio, filesize: 85.7 KB)