I’ve used different yarn than in the pattern, making the gauge different (see pictures for gauge in both cm and inches).
In the pattern, it’s 22 cm wide after having repeated round 9-10 five times, but as you can see, mine is 25 cm wide.

I’ve chosen to put on two handles in stead of one, because it made a weird flop/bend when using only one attached to each end.

I’ve sewn in a lining made of one big circle of fabric. Then I marked the bottom width and then sewed the sides in with five wedges.