Check out Crystal Great Sword Low-poly 3D model on CGTrader for $4. High-quality mesh by akarchie: 9790 polys, 4827 vertices. PBR, Textured, UV Mapped.
STL (Stereolithography, filesize: 478 KB), OBJ (OBJ, filesize: 823 KB), FBX (Autodesk FBX, filesize: 128 MB), GLTF (glTF, filesize: 129 MB)