Looking for Marble wall 99? Get this 3D model from notfun via CGTrader for $19. Technical specs: 100 polygons, 100 vertices.
STL (Stereolithography, filesize: 720 KB), OBJ (OBJ, filesize: 465 KB), FBX (Autodesk FBX, filesize: 918 KB), MAX (Autodesk 3ds Max, filesize: 959 KB)