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Step 3: Assemble Block B
Now that your four-patch units are complete, it’s time to combine them to create Block B.
Each Block B uses 4 four-patch units. PDF Instructions
1. Lay Out Your Units
Place the four four-patch units on your design surface in a 2 × 2 grid.
Rotate the units so the dark green squares form a diagonal line running from the upper right to the lower left of the block as shown in the picture above.
Your layout should look like this:
Top Row
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Four-patch with dark green in the upper right
Bottom Row
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Four-patch with dark green in the lower left
Take a moment to double-check the orientation before sewing.
2. Sew the Rows Click here for Video Tutorial on Block B Assembly
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Sew the top two units together.
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Sew the bottom two units together.
Use a ¼" seam allowance.
Press the seams in the rows toward the darker green squares if possible.
3. Spin the Center Seams
To reduce bulk in the center:
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On the back of each row, gently loosen the stitching at the seam intersection.
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Spin the center seam so the seam allowances rotate in a circular direction.
This creates a small four-patch “pinwheel” seam on the back and allows the block to lay flatter.
4. Join the Rows
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Place the two rows right sides together.
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Nest the center seams so the intersections lock together.
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Sew across the center using a ¼" seam.
Spin the center Seam and Press, Refer to video linked above for visual instructions
5. Check Your Block
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