Looking for Marble wall 90? Get this 3D model from notfun via CGTrader for $19. Technical specs: 100 polygons, 100 vertices.
STL (Stereolithography, filesize: 939 KB), OBJ (OBJ, filesize: 684 KB), FBX (Autodesk FBX, filesize: 1.11 MB), MAX (Autodesk 3ds Max, filesize: 1.15 MB)