Traditional sunburst: Sunburst Granny Square Generator

Establish a baseline before comparing variants

This Sunburst study preserves sixteen repeats through the starting ring, puff ring and cluster ring, then works two square rounds. Its purpose is to establish a complete reference for the change from a circular center to a counted frame. The second square round makes the first transition's group gaps visible as new insertion sources. It is a locally authored construction study, no physical crochet test or historical pattern attribution is claimed by the word traditional.

Specify the exact inputs and materials

Choose smooth DK cotton in compatible shades and start with a four-millimeter trial hook. Prepare scissors, a tapestry needle, four corner markers and a ruler. Set sixteen center repeats, three drawn-up puff loops, four partial posts per cluster, one puff-spacing chain, two corner chains and two square border rounds. Use US terms. Blue, gold and coral distinguish the three center rounds; repeat ivory in fourth and fifth palette slots to keep both square rounds in one actual yarn color.

Preserve the sixteen usable spacing arches

Make sixteen double crochets into a magic ring, excluding the initial height chain from the count. In the next round, each old post supports a puff made from three drawn-up loops. Seven loops remain before its closing pull-through. Chain one to secure the puff, then chain one for the spacing arch. The following cluster belongs in the spacing arch, not in an extra gap invented from the securing chain. Each four-post cluster closes through five remaining loops and is followed by chain two.

Complete generated working record

Download this exact Sunburst JSON into the Sunburst Granny Square Generator.

1. Magic ring: ch 2 (does not count), 16 dc; sl st to first dc. Tighten ring. Count 16 completed units; chains separate.
2. Join puff color. In each dc make one puff: [yarn over, insert hook and pull up a loop] three times; yarn over and pull through all 7 loops; ch 1 to secure, then ch 1 for spacing. Join to first puff. 16 puffs and 16 spacing gaps. Count 16 completed units; chains separate.
3. In each spacing gap work a 4-dc cluster, ch 2. Cluster: [yarn over, insert into gap, pull up loop, yarn over, pull through 2] four times; yarn over and pull through all 5 loops. Join. 16 clusters and 16 ch-2 spaces. Count 16 completed units; chains separate.
4. Join in a ch-2 space. Repeat four times: (3 tr, ch 2, 3 tr) in corner space; 3 dc in next space, 3 hdc in next, 3 dc in next. Join to first tr. Ch 3 to begin (not counted). 24 tr, 24 dc, 12 hdc; four corner spaces. Count 60 completed units; chains separate.
5. Join in corner; ch 2 (not counted). In each corner work (3 dc, ch 2, 3 dc), and work 3 dc in each of the 4 gaps between groups on each side. Sl st to first dc. Count 72 completed units; chains separate.

Use four different-height sectors

Divide the sixteen cluster arches into four consecutive groups of four. In the first arch of each group, work three trebles, two chains and three trebles. The next three arches receive three double crochets, three half double crochets and three double crochets. Each sector therefore contains fifteen posts. The shorter half-double group is deliberate; it is not a missed portion of the side. Mark all four corner chain spaces before beginning another frame.

Grow through the new gaps

The first square round produces twenty-four trebles, twenty-four double crochets and twelve half double crochets: sixty posts. The second frame works four six-double-crochet corners and four three-post side groups per side. Its twenty-four corner posts plus forty-eight side posts give seventy-two double crochets. Work into the actual gaps between groups, not into every old post top. The diagram shows those sources and separates each corner's incoming and outgoing legs.

Audit completed units and chains

The five round counts are sixteen, sixteen, sixteen, sixty and seventy-two, totaling 180 completed units. Puff loops and unfinished cluster legs are not additional completed tops. The puff round contributes thirty-two chains: one securing and one spacing chain for each repeat. The cluster ring contributes thirty-two spacing chains, and the two frames add sixteen corner chains. Those eighty chains exclude starting-height chains and round joins.

Finish the reference carefully

If a side has fewer groups, check the four-space sector boundary before changing the next corner. If a puff ring supplies too many gaps, distinguish securing chains from spacing arches. Fasten off, weave ends and wash according to the yarn label before measuring. The verified size is five working rounds; centimeters and consumption remain unmeasured. Can another center repeat count use identical instructions? The sector structure changes. Has this baseline been physically tested? No. Read the chart guide before treating a partial-post symbol as several completed stitches.