...
Selecting the Load Model button will display the Load Model panel. From here there are six preset models that you can load to get a feel for how to use the software.
Models Attribution:
"Hintze Hall" (https://skfb.ly/oF9N6) by artfletch is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
To load your own custom model, simply click the “Load model” button at the bottom of the panel. If you would like to use this model consistently, you can use the “Save model” button to save and overwrite one of the existing preset models.
...