Cordonnet crochet cotton size 5 and steel crochet hook US size 7 (1.5mm). First three rounds measure 2” in diameter.

Advanced. Uses 2-dc cluster, double triple, and 2-triple cluster. This is the style where the “petals” stand up from the work to represent a flower in the center.

Pattern 25, page 62 of Magic Crochet 101.
Pattern 4, Bermudas, in Ganchillo Artistico