Model scene in millimeters.
Materials are made with Physical MTL (supports Corona 7 and above)
The object's pivots are in logical places.
Unique names are given to objects, materials and textures.
The model is grouped into two groups (on a hook and on a hanger) for ease of use.
The model has a TurboSmooth modifier applied with one iteration in render mode.

For Corona render, it is recommended to install version not lower than 1.5, since the glossiness of materials is configured taking into account PBR.