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The Scrap Zig Zag Quilt Block
From our Free Quilt Block Patterns Library

Scrap Zig Zag quilt block instructions

Skill Level: Beginner

Grid: 2x2

The Scrap Zig Zag quilt block is a fun little piece of patchwork—just triangle squares and cut squares and rectangles. No points to match. Simple piecing.

Quick to make, this block would be perfect for your quilting bee's next exchange. Choose all scraps for the dark fabric and this block will live up to its name.

Let's get to the quilting!

Construction Instructions

Scrap Zig Zag quilt block design

Block Size: 6"(6-1/2" unfinished)

Grid size: 1-1/2"

All seam allowances (SA) are 1/4".

When you are instructed to press, first press the pieced unit flat to set the seam.

Next, open up the patches and press as instructed.

Click here for cutting instructions for additional block sizes.

Step 1: Cut the fabric patches

Rotary cutting instructions

Patches for the triangle squares are cut based on the Quick Pieced method and are denoted by a **.

I prefer to cut these patches a 1/4" larger, stitch and then trim each to the perfect size. The size of the larger patch I cut is in ().



Two 2-3/8"(2-5/8") squares**
Four 2" x 3-1/2" rectangles

Two 2-3/8"(2-5/8") squares**
Four 2" squares

These are the cut patches.

Cut patches for a Scrap Zig Zag quilt block

Step 2: Construct the units

Half Square Triangles

Make 4

With a pencil or chalk draw a diagonal line from corner to corner on the back of the two 2-3/8" squares.

With RST, pair a light and dark 2-3/8" patch and stitch a quarter inch from both sides of the drawn line.

Stitch HST units

Cut along the line to create 4 triangle square units.

Cut HSTs apart on drawn line

Press with the seam allowance towards the dark.

In this example the original squares were cut larger and now must be trimmed to 2" square.

Click here for more detailed information on this Quick Pieced technique for making half square triangles.

One quarter of the Scrap Zig Zag block

Stitch the sub-units

Make 4

Each quarter of this block is exactly the same, so we'll stitch those now.

Sew the dark 2" square to a half square triangle. Press.

Repeat for the three remaining pairs.

Stitch HST to square

To this sewn unit, stitch the light rectangle to the side that contains both light and dark patches. Press with the seam allowance towards the rectangle.

Repeat for the 3 remaining pairs.

Step 3: Assemble the Scrap Zig Zag Quilt Block

Lay out the sub-units in two rows. Each is rotated a quarter turn as you move clockwise around the block.

Lay out units into rows

Stitch the pairs together into rows like this. Press towards the light rectangle to reduce bulk.

Stitch units into rows

Stitch the rows together. For this block I chose to twirl the seam allowance in the center. From the back it looks like this...

Back of block with twirled seam allowance

And here is our finished Scrap Zig Zag quilt block from the front.

Finished Scrap Zig Zag quilt block

Cutting Chart for Other Block Sizes

Finished Block Size
Fabric Qty4” 5”8”12”
Light** 21-7/8”sq2-1/8”sq2-7/8”sq3-7/8”
Light41-1/2” x 2-1/2” 1-3/4” x 3” 2-1/2” x 4-1/2”3-1/2” x 6-1/2”
Dark** 21-7/8”sq 2-1/8”sq2-7/8”sq3-7/8”sq
Dark41-1/2”sq1-3/4”sq 2-1/2”sq3-1/2”sq
Trim HST to...1-1/2”sq1-3/4”sq2-1/2”sq3-1/2”sq
Grid Size1” 1-1/4” 2”3”

Ready for More Blocks?

Celebrate! The quilt block is finished!

That was fast!

If you're looking for more fun blocks to make, check out our Free Quilt Block Patterns Library for ideas for your next quilt project.

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