The archive contains a 3ds max 2017 scene for Corona + obj files. Preview renders are made in Corona Render 9. On the Corona Legacy Mtl model. Corona Render version not lower than 1.5 is required. "For Corona Render: it is recommended to install a version not lower than 1.5, since the glossiness of materials is configured taking into account PBR. https://www.inmyroom.ru/products/1484468-stul-barnyj-family-look-bezhevogo-cveta