Modular Sofa Paola Lenti All-Time The series consists of large sectional elements and a pouf. Construction: laminated wood, seat with elastic straps, plastic spacers. Padding: Load-bearing differentiated polyurethane foam, polyester fiber and polyamide fixed foam cover. Upholstery: removable, available in all fabrics in the collection. Notes: All-Time Element Compositions do not require any kind of connecting system. For more comfort, we recommend using loose cushions. https://www.paolalenti.it/en/prodotto/all-time/ 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 older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable for you. " If CORONA version is higher than 1.4: “For Corona render, it is recommended to install at least version 1.5, as the glossiness of materials is adjusted with PBR in mind.