It's part of a Chinese traditional building node named DouGong. The project has lower, low and high levels, however, the lower model has different auto UV with the low and high levels. The .rar file includes the whole project structure and you can find .ma and .mb for different versions of Maya in the scenes file.
OBJ (OBJ, filesize: 357 MB), MA (Autodesk Maya, filesize: 351 MB), MEL (Maya Mel Script, filesize: 318 MB), FBX (Autodesk FBX, filesize: 328 MB)