Four Patch Quilt Block Pattern Tutorial

Getting the perfect center on a simple four patch quilt block can be tricky. See how to get it with step-by-step pictures for this traditional block!

Four Patch Quilt Block PatternFour Patch Quilt Block Pattern

Each square may be made up of a single piece of fabric. Or, for more variety use several patches of fabric to make up one square.

The four patch is an almost perfect block in that it can be made in any size.

In the traditional simple four patch each square is the same size.

So, you can cut each square in odd or even numbered sizes - 2 inch, 3 inch, 4 inch, 5 inch, etc. to get the block size you want.

For example if you want an 8 inch finished block, cut four 4 1/2 inch squares. If you want 9 inch finished block, cut four 5 inch squares.

Block Fabric Requirements

Use two different color fabrics, commonly a light and a dark.

In this tutorial I have designated the fabrics as follows

  • Fabric A = primary, or focus (print fabric)
  • Fabric B = background (pink solid fabric)

Four Patch Block Measurements

Here's a simple calculation to determine the size to cut the squares...

finished block size divided by 2 plus 1/2 inch seam allowance = cut square size

  • 6 / 2 = 3 + 1/2 = 3 1/2

Here's a chart to use for cutting squares for some common block sizes

Finished Block Size

Square Size (Cut 4)

5 inch

6 inch

8 inch

9 inch

10 inch

12 inch

3 inches

3 1/2 inches

4 1/2 inches

5 inches

5 1/2 inches

6 1/2 inches

Block Layout

This block is laid out on a 2 x 2 grid - 2 rows and 2 columns.

The patches that make up the block are

  • 4 squares

Four Patch Quilt Block Pattern Instructions

Step 1

Using fabrics A and B, cut four squares and lay two squares side-by-side in row 1 and two in row 2.

Four Patch Quilt Block Step 1Four Patch Quilt Block 2 x 2 Grid

Step 2

Sew the block row by row.

Row 1: With right sides together, place the square from column 2 on top of the square from column 1.

Four Patch Quilt Block Step 2sew the block row by row

Step 2a

Sew the squares together using a 1/4 inch seam along the right side of the squares.

Four Patch Quilt Block Step 2asew the squares together using a 1/4 inch seam

Step 2b

Sew a few stitches beyond the squares. Do not remove squares from sewing machine. Leave the needle down on your sewing machine.

Row 2: With right sides together, place the square from column 2 on top of the square from column 1.

Place these squares under the press of foot. Sew the squares together using a 1/4 inch seam.

Four Patch Quilt Block Step 2bsew the 2nd pair of squares together

Step 2c

You have just chain pieced the two rows of squares.

Four Patch Quilt Block Step 2cchain pieced rows of squares

Using scissors or your rotary cutter, clip the thread between the squares to get ready for the next step.

Step 3

Now we're going to prepare to achieve that tricky perfect center of the block where all four patches meet.

Don't stress! With careful preparation it's easy to achieve. :-)

Four Patch Quilt Block Step 3preview of properly pieced center

Step 3a

Finger press the seam in both rows towards the darker fabric. See the back side of the rows in the photo below.

Press the seams with an iron and use an alternative starch solution, if desired.

Four Patch Quilt Block Step 3aback side of the rows showing pressing direction

Step 3b

Turn the rows of squares face up. Make sure that the squares are in the position that you want them to be when sewn together.

Four Patch Quilt Block Step 3b

Step 3c

Place row 1 face down on row 2. Do this by bringing the top edge of row 1 down to the bottom edge of row 2.

Nest the seams together. Snuggle them up to one another nice and snug :-)

Of course, your edges will be lined up together. Here, mine are showing both fabrics so that you can see how they will nest together.

Four Patch Quilt Block Step 3cnest the seams together
Four Patch Quilt Block Step 3c CloseupCloseup of nesting seams together

Step 3d

Pin the rows together on each side of the seam. Pinning helps to keep the fabric from shifting while it's under the pressure foot.

Put a pin at each end the row.

Four Patch Quilt Block Step 3dpin the rows together

Step 3e

Take the block over to the sewing machine and sew the rows together with a 1/4 inch seam.

Four Patch Quilt Block Step 3esew rows together with a 1/4 inch seam

Step 4

Open the rows apart to reveal the perfect center. All four corners meet up nicely (there's no gap where they meet)!

Finger press the seam (between the rows) upward or downward.

When using this block in a quilt be sure to press the seam of each block in opposite directions so that they will nest together.

Four Patch Quilt Block Step 4the perfect center

Step 4a

Give all of the seams a final press with the iron. For this block I pressed the seam downward. Here's how the block looks on the back.

Four Patch Quilt Block Step 4aback of block showing pressing direction

The perfect simple four patch quilt block is done. Easy peasy! :-)

Pressing Tip

If you are making multiple blocks for a quilt press as follows...

  • Patch Seams: For any particular row, within the block press seam that joins the patches of the block in opposite directions (as done above). Press all the blocks in this way.
  • Row Seams: In one block, press seam that joins two rows in one direction and in the next block press the next seam in the opposite direction.

When the rows of the quilt are joined together the seams will nest.

For an interesting and dynamic take on the 4 patch, try the disappearing four patch quilt block.


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