Mosaic Quilt + Bonus Table Runner


Today I’m sharing Mosaic, and incredibly versatile pattern–it will work with just about any fabric style. At once modern and classic, the pattern looks fabulous with batiks, reproductions, modern prints, just about anything! As a bonus, this project includes a bonus table runner pattern made from the trimmed scraps. The project uses either one layer cake or four charm packs along with yardage.

I used Acreage, a fun new line from Shannon Gillman Orr. The colors are cheerful and bright, and there are a couple novelty prints to give the line just the right amount of whimsy.

The finished quilt measures 56″ by 70″.



Fabric for quilt top:

One “Acreage” Layer Cake or four “Acreage” charm packs
3 1/2 yards background fabric {I used Moda Essential Dots}

1/2 yard fabric for binding

3 3/4 yards fabric for backing


Fabric for table runner:

3/8 yard for binding
1 yard for backing





This quilt uses a single block, oriented two ways.

If you are using a layer cake, cut each square into four 5″ squares.

Draw one sewing line diagonally across the square and a second sewing line 1/2 inch away from the first. Note: This is a bit different than the technique used to make half square triangles, as the diagonal of the square is the first sewing line, not the cutting line!



From the background fabric, cut 80 7 1/2″ squares.


Place the 5″ square in one corner of the 7 1/2″ square of background fabric. Make sure the second sewing line is closer to the corner, not the center.  Sew along both drawn lines.


Repeat with a second 5″ square.


Trim between the two sewn lines on each side. Set the corner pieces aside.


Half the blocks will be oriented with triangles in the upper left and lower right corners. Press the background fabric open on these blocks. The other blocks will be oriented with triangles in the upper right and lower left corners. Press the background fabric toward the center on these blocks.


This allows you to nestle seams and ensures nice crisp points where the triangles meet.


Sew the blocks together in rows of eight blocks, beginning with a square with a triangle piece in the upper left corner and alternating orientations of the blocks.

Make ten rows.

Sew rows together.


Quilt as desired and bind.

I quilted the project on a longarm using the pattern Liliana.


Bonus Table Runner

Now, let’s look at the pile of trimmed half square triangles.

Untrimmed, these half square triangles measure approximately 4 inches square. I chose to trim mine to 3 1/2″ since that size worked best for my project. You may prefer to trim them to 3 3/4″ or even leave them at 4″.



I love half square triangles, and there is so much you can do with the 160 you have! Some ideas are a baby quilt, a table runner or placemats. One reason I love half square triangles is the many ways you can lay them out. Play around with various layout to see what you like best.

Here are some layout ideas for your half square triangles.

Baby quilt:


Eight placemats:



I chose to make a table runner, setting each of the half square triangles the same way.


Instructions for table runner:

Trim half square triangles to 3 1/2″. Sew five half square triangles together in a row. Make 25 rows. Sew rows together, pressing seams open to reduce bulk. Quilt and bind. I quilted my table runner using straight line quilting.





This quilt finishes at 56″ x 70″ and the table runner finishes at 15″ by 75″.

This block is so versatile. You can make the quilt smaller or larger simply by decreasing or increasing the size of the background squares. This will affect the amount of negative space in the quilt–play around to achieve different looks!

Christine Weld


10 comments on “Mosaic Quilt + Bonus Table Runner

  1. Linda J says:

    What a good idea you came up with! The quilt is very striking and woohoo for the bonus project from the cut-aways.

  2. Rosemaryflower says:

    WOw, you are a Genius, Christine!
    This is the cutest project ever

  3. April says:

    Your quilt is beautiful and your instructions are easy to follow. However, how much fabric is needed if I am not using charm packs or layer cakes? Thank you for sharing.

    • Lisa Calle says:

      Hi April! You will have to do a bit of math to figure it out. A charm square is 5″ and there are 42 in a pack. Layer cakes are 10″ and there are also 42 in a pack. You can cut your own from fabrics you already have or use those numbers to calculate how many fat quarters, etc you would need.

  4. cruisefan says:

    Nice colors (design would also work perfectly with scraps) and a very good use for those snippets.
    Clear instructions – a real goodie for a beginner!
    Thanks for sharing.

  5. Diana W says:

    Very pretty!

  6. I like the use of the dots instead of solid fabric for the background. I really like the look of the table runner. I’m adding this project to my ‘to create’ list. Thanks!

  7. Andrea W says:

    So beautiful!! The runner from the scraps would be perfect across the end of the bed!

  8. Jennifer says:

    I am needing this to be a bit bigger for a twin bed. Do you think adding a border would look okay?

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