Making a DIY book of terrains

I recently stumbled upon the [Giant Book of Battle Mats](https://shop.black-book-editions.fr/produit/14161/0/books-of-battlemats/big-book-of-battle-mats-vol3), which is a book of A3 laminated TTRPG battlemaps. In this article, I'll go through my process for creating a similar book that I believe dis...