Free Minimalistic fantasy hammer 5 Free low-poly 3D model by tokeshi. Available on CGTrader with 1879 polys and 1973 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 192 KB), OBJ (OBJ, filesize: 264 KB), FBX (Autodesk FBX, filesize: 111 KB)