Baton Rouge Quilt Block

From our Free Quilt Block Patterns Library

The Baton Rouge quilt block is a breeze to stitch up with half square triangles sewn 8-at-a-time. Add a pinch of strip piecing.

Your patchwork is finished before you know it.

In this tutorial you'll find:

• A cutting chart in three sizes and a place to download the chart and block design

• A coloring page to download and print

• Step-by-step illustrated instructions

• A pinnable image to save this tutorial for later

It's time to cut up and sew!

General Instructions

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Several abbreviations are used on this page. They are:

• SA - seam allowance

• RST - right sides together

• HST - half square triangles

1/4" SA are used through this tutorial. 

When instructed to press, first press the patches in the closed position—just as they came off your sewing machine. This sets the seam, melding the fibers of the threads into the fibers of the fabric. 

Then press the SA to the dark unless otherwise noted.

Pressing instructions are highlighted in yellow throughout this tutorial.

Step 1: Cutting for a Baton Rouge quilt block

Sample Block Size:

• 10" finished
• 10 1/2" unfinished

Grid: 5x5

Three fabrics with nice contrast are needed to complete your Baton Rouge block.

Remember to label all your patches. We'll refer to their numbers in each step.

Click here to print a copy of just the block design above and cutting chart below to use at your cutting table.

			Cutting Chart for a Baton Rouge Quilt Block ~Traditional Piecing ~
Patch	Fabric	Qty	Finished Block Size
			5"	7 1/2"	10"
1	Light	1	4 1/4" x 4 1/4"	5 1/4" x 5 1/4"	6 1/4" x 6 1/4"
2	Dark	1	4 1/4" x 4 1/4"	5 1/4" x 5 1/4"	6 1/4" x 6 1/4"
3, 6	Light	9	1 1/2" x 1 1/2"	2" x 2"	2 1/2" x 2 1/2"
4	Dark	4	1 1/2" x 7"	2" x 9"	2 1/2" x 11"
5	Med	4	1 1/2" x 7"	2" x 9"	2 1/2" x 11"
Unfinished Block Size			5 1/2"	8"	10 1/2"
Grid Size			1"	1 1/2"	2"

Step 2: Assemble the units for a Baton Rouge block

HSTs

Make 8

We use the 8-at-a-time method to make our half square triangles. Very efficient.

If you plan to make a lot of blocks, you may want to use another HST method like triangle paper.

On the backside of either the #1 or #2 square (whichever one it's easier to see on) draw a diagonal line from each pair of opposite corners.

Layer the #1 and #2, RST.

Stitch 1/4" away from both sides of both lines for a total of four seams.

Press flat to set the seams.

From the table below, find the Center or Midpoint Measurement that corresponds with your block's finished size.

HST Dimensions
Finished Block Size	Center/Midpoint Measurement	Trim HST to…
5"	2 1/8"	1 1/2" x 1 1/2"
7 1/2"	2 5/8"	2" x 2"
10"	3 1/8"	2 1/2" x 2 1/2"

At your cutting mat, align this Center Measurement with the side of your block (blue arrow) and cut through the center (red arrow) to cut your block in half.

Turn your mat a quarter turn without disturbing the patches.

Again, align the same mark on your ruler with the edge of your block and cut through the center again.

At this point you should have four equal (or pretty darned close) squares.

Since we started with over-sized patches, if these are 'perfect' squares, don't worry. We've got a bit of wiggle room.

Cut these squares in half on the drawn line (blue arrow above) to create the 8 HST.

Press the units open with SA to the dark.

Refer once again to the table to find the 'Trim HST to...' size and trim to perfection. For our sample they're trimmed to 2-1/2" x 2-1/2".

Repeat for all eight HSTs.

Corners

Make 4

Now for the #1/#2/#3 patches. We'll be making 4 each of a mirror- imaged unit first.

With RST stitch a #3 to the right side of a HST as shown below. The SA is pressed toward #3 to reduce bulk.

Repeat for a total of 4.

This time, with RST add the #3 to the left side of the HST, again pressing the SA toward #3.

To complete the corner units, join one of each #1/#2/#3 together as shown below.

SA are pressed toward the top row so that your seams will nest when you assemble the block.

Make a total of four.

Sides

Make 4

We'll use a bit of strip piecing to create the sides for our Baton Rouge block.

In my humble opinion, it's more efficient and accurate than piecing individual squares together.

Press with the SA toward the medium #5 patch (the white/orange/yellow/blue fabric in our sample.

From the table below, find the StripSet Width that corresponds to your Finished Block Size. 

StripSet Widths
Finished Block Size	Stripset Width after stitching	SubCut Width
5"	2 1/2"	1 1/2"
7 1/2"	3 1/2"	2"
10"	4 1/2"	2 1/2"

Check that your stitched stripset width is accurate. Make adjustments as needed.

Straighten one short end of your #4/#5 strip by lining up  your ruler with the seam line (blue arrow). Trim away just a slight bit—less than a 1/4" is all it takes.

Find the SubCut Width that goes with your block and cut four segments. For our 10" sample, that width is 2-1/2".

Here they are after cutting.

Step 3: Assemble your Baton Rouge block

Arrange the corners, sides and center patch to create the Baton Rouge design.

A dark #2 HST is in each corner.

With RST, stitch the units in each row together.

Press.

Finally stitch the rows together and give your block one final pressing.

This is the finished Baton Rouge quilt block.

No time to quilt this week? Pin It for later...

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