Check out 3D Kunai model Low-poly 3D model on CGTrader for $2. High-quality mesh by ktorisans: 5696 polys, 2848 vertices.
BLEND (Blender, filesize: 3.46 MB), OBJ (OBJ, filesize: 317 KB), FBX (Autodesk FBX, filesize: 343 KB), STL (Stereolithography, filesize: 278 KB)