Multi-round border: Blanket Border & Corner Generator

Move a corner marker with the actual source

This four-round border begins around eighteen ordinary stitches on each long side,twelve on each short side,and four separate corner stitches. Its independent task is tracking the next corner after three stitches replace one old corner. Only the middle new stitch becomes the next corner source. The surrounding two stitches move into the side allocations. Treating all three as corners would multiply increases and break the eight-stitch-per-round progression.

Prepare a four-marker trial

Choose smooth DK cotton and begin with a four-millimeter hook. Have scissors,a tapestry needle,four removable corner markers,a distinct start marker and a ruler ready. Identify the receiving rectangle's sixty ordinary side positions and four corner positions. That makes sixty-four bases before the border begins. If a seam occupies part of the edge,resolve the exposed insertion positions before entering the count. The generator does not measure or redistribute stitches on an unknown physical fabric.

Save the four-round inputs

Set long base edge to eighteen,short base edge to twelve,and border rounds to four. Use US terms and repeat blue #243BCE in both palette slots. One yarn keeps the study about source tracking rather than changes in material. The first round works one single crochet in every ordinary base and three in each corner. Sixty side stitches plus twelve corner-group stitches produce seventy-two single crochets.

Exact border and source diagram

Download this exact border JSON into the Blanket Border Generator.

1. Work 18 sc on each long edge, 12 sc on each short edge and 3 sc in each corner. Join. Count 72 completed stitches.
2. Work 20 sc on each long edge, 14 sc on each short edge and 3 sc in each corner. Join. Count 80 completed stitches.
3. Work 22 sc on each long edge, 16 sc on each short edge and 3 sc in each corner. Join. Count 88 completed stitches.
4. Work 24 sc on each long edge, 18 sc on each short edge and 3 sc in each corner. Join. Count 96 completed stitches.

Preserve the next corner explicitly

After each three-stitch corner group,move its marker into the middle new stitch. On round two,work three single crochets only into those four marked stitches and one into every other old stitch. This preserves all seventy-two old sources and adds eight stitches,giving eighty. Repeat the same source rule for rounds three and four to obtain eighty-eight and ninety-six. Beginning height chains and ordinary joining slip stitches remain outside the counts.

Check side growth independently

Before round two,the long-side allocation has grown from eighteen to twenty ordinary positions and the short-side allocation from twelve to fourteen. Before rounds three and four,those allocations become twenty-two/sixteen and twenty-four/eighteen. Each old corner's two outside legs account for the growth across neighboring sides. The middle stitch remains the next corner. Count those allocations without adding a complete three-stitch corner group to both of its adjoining sides.

Audit accumulated work

The completed rounds contain seventy-two plus eighty plus eighty-eight plus ninety-six,or three hundred thirty-six single crochets. That cumulative workload differs from the ninety-six stitches on the final perimeter. Every round has four corner sources,each adding two stitches,so growth stays eight. There are no decorative chain arches. Starting chains,joins and tails are separate. An exact yarn length still requires a measured consumption trial in the actual stitch and material.

Questions before extending the frame

Can an unmarked stitch be increased to compensate for a missed corner? That changes source allocation and should be repaired rather than hidden. Does four rounds guarantee a flat frame? Check the physical receiving fabric and relaxed tension. Inspect the corner markers before each new circuit,then care for and measure the sample. The troubleshooting guide helps reconcile count errors. No physical corner shape,finished dimensions or border durability is certified by the exported record.