Size 330x8x130 cm Size 300x10x132 cm
If using import formats, apply MeshSmoth 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