Marble wall 04 3D model is available on CGTrader for $19. Original author: notfun. Specs: 100 polys, 100 verts.
STL (Stereolithography, filesize: 917 KB), OBJ (OBJ, filesize: 662 KB), FBX (Autodesk FBX, filesize: 1.09 MB), MAX (Autodesk 3ds Max, filesize: 1.13 MB)