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Chains & crosses · Confident beginner · 7" finished

7 inch Triple Irish Chain, Block B quilt block

Cutting chart, piecing steps and yardage for a Triple Irish Chain, Block B block that finishes at 7". The block is a 7 × 7 grid and each cell finishes at 1".

Finished block 7" × 7". Unfinished 7 1/2" × 7 1/2".

Cutting chart for one block

FabricCutSizeThen
Main4 squares1 1/2" × 1 1/2"–
Background1 rectangle7 1/2" × 3 1/2"–
Background2 rectangles5 1/2" × 1 1/2"–
Background2 rectangles3 1/2" × 1 1/2"–
Accent8 squares1 1/2" × 1 1/2"–

How to piece it

  1. Cut the pieces in the chart above. All measurements include a 1/4" seam allowance.
  2. Lay all the pieces out as in the diagram. The block is a 7 × 7 grid, and each cell finishes at 1". Sew neighbouring pieces into sections, then the sections into rows, pressing seams in opposite directions from row to row.
  3. Join the rows. The block should measure 7 1/2" now and 7" once it is sewn into the quilt.

Yardage for a quilt of 7" Triple Irish Chain, Block B blocks

Quilt sizeBlocksFinished sizeMainBackgroundAccentBorder & bindingBacking
Baby4 × 6 (24)34" × 48"1/4 yd1 1/8 yd3/8 yd7/8 yd1 3/4 yd
Lap6 × 8 (48)48" × 62"3/8 yd2 1/8 yd3/4 yd1 1/8 yd4 yd
Throw8 × 9 (72)62" × 69"5/8 yd3 1/8 yd1 yd1 3/8 yd4 1/2 yd
Twin9 × 13 (117)69" × 97"7/8 yd5 1/8 yd1 5/8 yd1 5/8 yd6 yd
Queen13 × 13 (169)97" × 97"1 1/4 yd7 1/4 yd2 1/4 yd1 7/8 yd8 3/4 yd
King15 × 15 (225)111" × 111"1 5/8 yd9 5/8 yd3 yd2 1/8 yd10 yd

Blocks side by side with a 3" border, 2 1/2" binding, 42" usable width and 10% extra.

What a lap quilt looks like

6 × 8 blocks, 48" × 62" with border.

This diagram uses plain colors. To see the quilt in your own fabrics, with sashing or on point, use the tool below: tap a fabric and choose a photo.

10 1/2" Triple Irish Chain, Block B14" Triple Irish Chain, Block BAll Triple Irish Chain, Block B sizes

See it in your own fabrics

1. Your fabrics (tap a fabric, then choose a sample or your own photo)
2. Block
3. Quilt size
4. Block size
5. Setting

What to buy

FabricYardageCut

Based on 42" usable fabric width, 1/4" seams and 10% extra. Your photos stay on your device.

Questions

What do I cut for a 7 inch Triple Irish Chain, Block B block?

4 main squares at 1 1/2" × 1 1/2"; 1 background rectangle at 7 1/2" × 3 1/2"; 2 background rectangles at 5 1/2" × 1 1/2"; 2 background rectangles at 3 1/2" × 1 1/2"; 8 accent squares at 1 1/2" × 1 1/2".

What size is the block before it is sewn into the quilt?

7 1/2" square. It finishes at 7" once the seams on all four sides are sewn.

How much fabric for a throw quilt of 7 inch Triple Irish Chain, Block B blocks?

72 blocks make a 62" × 69" quilt. Buy 5/8 yd of main, 3 1/8 yd of background, 1 yd of accent and 1 3/8 yd of border & binding, plus 4 1/2 yd for the backing.