Check out Marble wall 184 3D model on CGTrader for $19. High-quality mesh by notfun: 100 polys, 100 vertices. Textured, UV Mapped.
STL (Stereolithography, filesize: 2.35 MB), OBJ (OBJ, filesize: 2.1 MB), FBX (Autodesk FBX, filesize: 2.55 MB), MAX (Autodesk 3ds Max, filesize: 2.58 MB)