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Block of the Week 30 Shoo Fly

Block of the Week 30 Shoo Fly

This week is the Shoo Fly block which is similar to the Monkey Wrench block from Week 4 except this time we are doing four 6 1/2" blocks to make our larger block which means you have the opportunity to use more fabrics.

It's all Half Square Triangles this time and as we have been doing each week, we will be making them slightly larger so that you can trim down for accuracy.

You will need 8 colors and a background

Fabric A - Color 1

Fabric B - Color 2

Fabric C - Color 3

Fabric D - Color 4

Fabric E - Color 1

Fabric F - Color 2

Fabric G - Color 3

Fabric H - Color 4

Fabric I - Background


Fabric A - D - Cut 2 - 3" squares

Fabric E - H - Cut 1 - 2 1/2" square

Fabric I - Cut 8 - 3" squares

Fabric I - Cut 16 - 2 1/2" squares


Draw a diagonal line on the wrong side of the Fabric I 3" squares.

Place a Fabric I square from above right sides together with a Fabric A 3" square. Sew 1/4" seam on both signs of drawn line.

Cut on the drawn line.

Press toward Fabric A.

Repeat for the rest of Fabric A-D squares, pressing toward the Fabric A-D fabric.

The Half Square Triangles are slightly oversized. Trim them down to 2 1/2" square.

You will have 16 - 2 1/2" Half Square Triangles.

I chose to mix the colors up in my Shoo Fly blocks but I wanted to show you the option of keeping "like" colors together for this block in the picture below.

Feel free to mix them up in what ever way you want to. This is how I chose to lay my pieces out.

To complete each block, sew the pieces together like a Nine Patch in rows. Press toward the background squares.

Then sew these rows together. Press these seams toward the center row.

Repeat these steps for the other 3 blocks.

These 4 blocks should measure 6 1/2".

Now lay the 4 blocks out (you can put them where I did, or move them around to an arrangement you like).

Sew these block together like a Four Patch, lining up the middle seams of each block. I pressed these seams open.

Now sew these 2 rows together. Press the seam open.

Your Shoo Fly block is complete! 

Don't forget to post your pictures on the Ruth's Stitchery Facebook page to be entered to win our July drawing.

Posted by Beth Spillane

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