Archive contains: Max 2017 and OBJ
Used Nurms Subdivision with 2 iterations.
The panel is divided into blocks.
Dimensions: 1000 mm, 1500 mm, 2000 mm and 3000 mm X 620 mm (width)

Polygons: 26400
Vertices: 26352

Those who work in a 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 older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward – whichever is preferable for you