Very happy with this beanie - it’s a great pattern.

My gauge swatch was 8.5” tall & 3” wide.
I used the 0.85 ease multiple for my 22” head and so worked 6 panels. I could have worked 7 for a looser fitting hat (my usual preference) had I had more yarn.

I totally love the joining method and the detailed videos. It’s quite invisible and has a negligible seam bump inside.

Photos
First is just the hat
Second shows almost invisible seam from right side (right in the centre).
Third shows seam from inside.