Cordonnet crochet cotton size 20, 220 yards
or Petra DMC Art. 993, size 8, about 1 ounce (25 grams)

Pattern is marked both “easy to make” and “Project for expert crocheter with a wide experience.”

Uses triple treble crochet and double triple treble crochet stitches; charted with some explanation.

Called “Lune” in 100 Mailles.

Very similar to Plenty to Provide by the same designer.