Barbed wire. Can be copied seamlessly side by side, to make a longer barbed wire fence. All triangles.
Also higher resolution format is included as .OBJ (all quads, can be subpatched! Highres mesh has 86944 polygons)
OBJ (OBJ, filesize: 2.96 MB), OTHER (Other, filesize: 2.15 MB), MA (Autodesk Maya, filesize: 2.36 MB), ZTL (Zbrush, filesize: 630 KB), 3DS (3D Studio, filesize: 748 KB), DXF (DXF, filesize: 1.89 MB), MAX (Autodesk 3ds Max, filesize: 684 KB), FBX (Autodesk FBX, filesize: 2.58 MB), LWO (Lightwave, filesize: 738 KB), DAE (Collada, filesize: 627 KB)