I am looking for the assets to the Beginner's Guide book

I have all of the code for the book, but I am missing the assets for the 3d models. I have been searing the web, but I cannot find them anywhere. I could piece them together individually, but since the book packages the code together I thought there would be somewhere I could find all of the assets.

This is the book:

The code samples are available here:

Thank you very much.