The pattern consists of 34 rounds.
Suggested thread: size 10 cotton thread (50 g/306 yards).
Suggested hook: 1.5 mm crochet hook.
Your tension will determine things like hook size, yardage, finished size, and height of stitches. Using recommended thread and hook this pattern will use approximately 450-470 yards of thread. And your finished doily will be about 16’’ in diameter from point to point.