$19 Lowpoly Barb Wire Obstacle 3D model by dragosburian. Available on CGTrader with 4831 polys and 7848 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 8.94 MB), OBJ (OBJ, filesize: 10.4 MB), DAE (Collada, filesize: 5.47 MB), BLEND (Blender, filesize: 7.82 MB), FBX (Autodesk FBX, filesize: 4.93 MB)