Patterned wall size 440*300*20 cmIf using import formats, apply TurboSmoth with 2-3 iterations.Who works in V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is lower than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable for you
STL (Stereolithography, filesize: 215 KB), OBJ (OBJ, filesize: 204 KB), MAX (Autodesk 3ds Max, filesize: 736 KB), 3DS (3D Studio, filesize: 134 KB), FBX (Autodesk FBX, filesize: 448 KB), TEXTURES (Textures, filesize: 665 KB), OTHER (Other, filesize: 665 KB)