Quote from the pattern site:

Here’s a super simple yet quite lovely filet crochet/granny square star burst, with just enough detail to make it interesting, yet simple enough for crocheters of any level to pull off. And, since there are no color changes that means a lot fewer ends to weave in!

Make a bunch and make a blanket in the size of your dreams. Single crochet the blocks together, and then crochet another row on top of that, either single crochet, half double crochet or even double crochet— experiment and see what you like!