Fieldcraft Knife Low-poly 3D model is available on CGTrader for $6. Original author: chili990. Specs: 4800 polys, 3100 verts.
OBJ (OBJ, filesize: 36.6 MB), TEXTURES (Textures, filesize: 36.2 MB), BLEND (Blender, filesize: 2.49 MB), FBX (Autodesk FBX, filesize: 257 KB)