This is a free crochet pattern for a very simple 3-inch afghan square. The square begins to curl up a bit at the first round, and curls over even more once you do the back post double crochet stitches in the second round. As a result, it creates a nice raised circle in the center.
3-Inch Raised Center Easy Crochet Afghan Square
Material: Patons Canadiana, The New Generation, or any medium weight yarn. You will need a small amount of 2-3 colors, depending on whether or not you want to make rnd 3 the same color as the first or not.
Hook Size: H/8-5.00MM
CA = Color A
CB = Color B
Bpdc = Back Post Double Crochet
Ch = Chain/Chains
Dc = Double Crochet
Rep = Repeat
Sl St = Slip Stitch
Sp/Sps = Space/Spaces
St/Sts = Stitches
With CA, ch 4, join with sl st to form ring.
Rnd 1: Ch 3 (counts as first dc), work another 2 dc in same ch, 3 dc in next ch and in each ch around. Join with sl st to first dc (ch 3). Fasten off. (12 sts)
Rnd 2: Join CB around the base of first dc, ch 1, bpdc around same base, ch 1, (bpdc around base of next st, ch 1) around. Join with sl st. (12 sts and 12 ch-1 sps)
Rnd 3: Sl st into ch-1 sp, Join CA, ch 2 (does not count as st), work 7 dc in same ch-1 sp, *(dc in next ch-1 sp) twice**, 7 dc in next ch-1 sp, rep from * around ending at **. Join with sl st. (36 sts) Fasten off.