This demo shows CATIA file to Unity by PiXYZ plugins.
Software Requirements
Required: Unity 2017.4 Required: PiXYZ plugin
PDF file Link : https://drive.google.com/file/d/1o43NkZNXoWNo-q9RzT5-VHxpOm4KQdz9/view
CATIA file download here : https://grabcad.com/library/nrj
legacy Material presets based on Unity Standard Shader