Glossy quality crochet cotton or fil d’Ecosse size 20. Steel crochet hook US size 6 (1.5 mm) or size for gauge.

First three rounds measure 1 3/4” in diameter.

Advanced. Text supplements chart.

Pattern 18, page 40 of Decorative Crochet 95.
Pattern Brisa Mediterranea in Puntorama Ganchillo.
Pattern Cercle Parfait in 1000 Mailles.