Crochet cotton to work with US size 4 hook

With size 10:
80 yards for lace
160 yards for mat
480 yards for two curtains

Gauge: 4” = 10.4 mesh and 15 rows.

Scalloped filet lace motif, almost square mat, and two curtain panels, with lacet stitch.

Pattern 15, pg 42, in Magic Crochet.
Pattern 2, Terceto Fantasia, in Ganchillo Artistico.
Pattern 2, Matched set, in Crochet Monthly, #230.

Intermediate