IKEA LIDGULT LIDHULT sofa https://www.ikea.com/ru/ru/catalog/products/S89257025/  https://www.ikea.com/gb/en/products/sofas-armchairs/modular-sofas/lidhult-2-seat-section-lejde-red-brown-spr-89289875/  Who works in the V-Ray version is lower than 3.1. Be careful in the materials in the BRDF section there is a 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 to you. For Corona render it is recommended to install a version not lower than 1.5 since the glossiness of materials is customized taking into account PBR Enjoy using and successful projects )