This feature can only be accessed by Hektar Pro users.
Inside the project you will find a buttons in the navbar. Among many other tools a download icon is shown. Press the button to download the scenario you are viewing.
The scenario is downloaded as a naitive Rhinoceros 3D file, .3dm, a generic 3D-format .obj and as an Excel spreadsheet. The files are created with layers corresponding to the different functions and geometries displayed. Note that the context, and terrain can be included in the download.