Check out Kunai sword 3D model on CGTrader for $2. High-quality mesh by Baria3DAsset: 416 polys, 414 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 7.15 MB), OBJ (OBJ, filesize: 7.1 MB), FBX (Autodesk FBX, filesize: 14.2 MB), STL (Stereolithography, filesize: 4.57 MB)