The bookcase model is a universal solution for placement against a wall, in a niche, and also as a separate partition between areas of the room. For example, a kitchen and a living room. It is easily scaled to form a decorated wall. For the material effect - "solid wood covered with oil", a map is applied to the Translucency slot. You can turn it off. For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR. https://45.yaratam.design/