What you need4 ply yarn
Size G Crochet Hook
Ch 4, join with sl st to first ch to form ring.
RND 1: Ch3, 2 dc in rg. Ch 2, *3dc in rg, ch3. Repeat from * 2 times more. Ch2, slst in top of ch3.
RND 2: Sl st in the first 2 dc’s and in the first ch 2 lp. Ch3, 2 dc in ch 2 sp, ch2, work 3 dc in same sp. Work the following 3 times (Ch1, work 3 dc, ch2, 3 dc in next ch 2 lp.) Ch1, join with slst to top of ch 3.
RND 3: Sl st in the first 2 dc’s and in the first ch 2 sp. Ch 3, 2 dc in ch 2 sp, ch 2, work 3 dc in same sp. Ch 1, work 3 dc in next ch 1 sp. Ch 1. Work the following 3 times (Work 3 dc, ch2, 3 dc in next ch 2 sp. Ch 1, work 3 dc in next ch 1 sp. Ch 1.) Join with sl st to top of ch 3.
Work the next rounds exactly the same but work the following into each ch1 sp on each side of square. (Ch 1, 3 dc, ch 1). You can make your granny square as big as you want by adding RNDs. Or you can stop at 6 RNDs to make an afghan out of individual squares. You can also use a different color yarn for each RND of a square for a dazzling effect.
To change colors at beginning of each rnd Fasten off after slst to top of ch3. Leave yarn about 5″ long and after square is complete, weave ends into work. Tie on new color in ch 2 lp and proceed onto the next rnd in pattern.
Finishing each square, After sl st into the top of ch 3, fasten off and either weave both ends into work or weave just the starting end into the work and leave the finishing end long to sew the squares together.