This pattern is available in US and UK crochet terms. Once you purchase the pattern you will have the option to download either version.

You could easily make this smaller or larger. It would be fun to add embellishments such as tassels, fringe or pompoms!
There is a video as well to help with making this blanket/pattern

https://www.youtube.com/watch?v=jNr6c2RgE3M&t=56s