This specific 3D model, "Dagger sword Low-poly 3D model 19", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
BLEND (Blender, filesize: 917 KB), OBJ (OBJ, filesize: 401 KB), FBX (Autodesk FBX, filesize: 695 KB)