This is the chart I made for a 3X poncho for a friend. It was tough for me to figure out how to make the neck hole. Saving this pattern for myself for another one. Maybe it will help someone else. Basic knowledge of c2c is needed.

I don’t have written explanations of how to do the neck hole. Just end the row there, and pick it up again as needed. I started a second skein on the other side and kept it going.

Any yarn, any hook, and choice of hdc or dc c2c stitches will work, but it will affect the size. This worked well for my friend.