Hi Juru. And welcome to the board!
That original post is a bit old, but she used a disappearing 9 patch pattern, You don't really need a pattern for this. Just make a 9 patch block, and then cut it apart. There are lots of different ways of laying out your finished blocks.
This is a link to a tutorial:
https://leahday.com/pages/disappeari...-quilt-pattern
and another here:
https://www.scrapish.com/disappearing-nine-patch.html
and a link to lots of tutorials on youtube here:
https://www.youtube.com/results?sear...block+tutorial