Check out Industrial Era - Knife Grinder Low-poly 3D model on CGTrader for $8. High-quality Polygon mesh mesh by alfmar: 7841 polys, 8267 vertices. Textured, UV Mapped.
OBJ (OBJ, filesize: 28.8 MB), C4D (Cinema 4D, filesize: 14.4 MB), MAX (Autodesk 3ds Max, filesize: 14.4 MB)