This is a battle arena set, with intricate detail on the walls and columns. See it in action here: https://www.youtube.com/watch?v=KYBaviFYpuo
All materials are native to Maya. All objects are separate, so you can go in and change the arena to your liking.
STL (Stereolithography, filesize: 18 MB), FBX (Autodesk FBX, filesize: 9.22 MB), MA (Autodesk Maya, filesize: 42.2 MB)