If you use crochet cotton no. 5 and steel crochet hook US size 2, mat will measure about 25 1/2”

Skill Level: Intermediate

A table center or doily in 25 rounds and provides brief written instructions and a chart

Pattern features:

sc through the back loop
3-tr clusters: leaving last lp of each st on hookwork 3 tr as shown, yo and draw thru all 4 lps on hook
dtr - double triple crochet, yo 3 times and finish loops off 2 at a time.
V stitch and Inverted V Stitch

Pattern 4, Delta, in 1000 Mailles.