Rainbow Six Siege Barricade Low-poly 3D model is available on CGTrader for $10. Original author: Blender-Arcturus. Specs: 43376 polys, 22056 verts.
BLEND (Blender, filesize: 78 MB), OBJ (OBJ, filesize: 3.04 MB), FBX (Autodesk FBX, filesize: 50.5 MB), GLTF (glTF, filesize: 51.7 MB), TEXTURES (Textures, filesize: 56.5 MB), DAE (Collada, filesize: 5.37 MB), DXF (DXF, filesize: 13.7 MB), STL (Stereolithography, filesize: 2.07 MB)