This specific 3D model, "Machete knife Low-poly 3D model 3", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
LWO (Lightwave, filesize: 442 KB), OBJ (OBJ, filesize: 3.38 MB), FBX (Autodesk FBX, filesize: 702 KB), GLTF (glTF, filesize: 10.1 MB), 3DM (Rhinoceros 3D, filesize: 3.12 MB), DAE (Collada, filesize: 1.46 MB), LXO (Modo, filesize: 34.2 MB), SPP (Substance Painter, filesize: 138 MB), UNITYPACKAGE (Unity 3D, filesize: 29.1 MB), TEXTURES (Textures, filesize: 76.2 MB)