This doily has three-leaf clover motifs in a ring in the center, and again with large triangle petals, and again in the outer round.

Materials:
60 g crochet cotton size 10
1.5 mm hook

Pattern #15 on page 35 of Decorative Crochet.
Called “Trefles” in 1000 Mailles.
Called “Treboles” in Puntorama Ganchillo.

Skill level = Advanced.

Partially written pattern with a well-defined chart.