https://lovehouseny.com/products/armchair-bend-by-alter-ego-studio?variant=41606571753570 

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.