Mrs Kellers nine patch quilt block pattern is a delightfully simple block – basically a nine patch middle with a frame around it. I have made it here as a 15″ square.
Cutting requirements for Mrs Kellers nine patch quilt block
3.7/8″ squares: six yellow, six white
3.1/2″ squares: four yellow, nine white
Making Mrs Kellers nine patch quilt block
Make half square triangle units with the 3.7/8″ squares. Place a yellow and a white square with right sides together and mark a line along the diagonal. Sew a 1/4″ seam either side of the marked line and cut along the line. This will produce two half square triangle units which are now 3.1/2″ squares. Press the seam allowances towards the yellow and trim the two corners where the triangle tips stick out.
Lay the plain squares out first in a nine patch formation. I think that this is the most simple way to see how the quilt block is put together.
Now it’s much easier to see what’s going on when you just add a frame around the nine patch section.
There’s a white square in the middle of each edge of the quilt block. In each corner there are three half square triangle units. I found that it’s easiest to place the corner first, with the yellow on the outside so that it forms the corner of the block. Place the other two half square triangles of each corner so that they are facing the same way as the corner square.
Sew the squares together across each row and then sew the rows to each other to complete Mrs Kellers nine patch quilt block.
For a quilt using this block I have just used nine blocks in three rows of three with a yellow border.
I have used yellow and white because that is the traditional colouring for Mrs Kellers quilt block, but I think that the quilt would be really striking in red and white – or maybe black and white.
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