To answer the search query directly:

Dave Graffam Games offers several free papercraft building models as samples of his larger, highly customizable collection. While most of his designs are paid products, they are frequently discounted through bundles and sales Free Downloads & Where to Find Them

: A unique fantasy/steampunk add-on designed to sit atop other buildings like the Inventor's House .

: The perfect "Day 1" project. It’s small, simple, and introduces the basic folding and gluing logic.

You can view the Catalog of Free Models at davesgames.net, which provides direct links to the vendor pages. Recommended Starter Models: The Hovel: Best for absolute beginners.