Nine Patch Frame Quilt Block

Nine patch frame quilt block

Nine patch frame quilt block

The nine patch frame quilt block is fairly obviously a nine patch block, but it has a delightful frame forming a diamond within the block.  I think it’s a very clever block, and it only requires squares and half square triangle units.  I have made it here as an 18″ square.

Cutting requirements for the nine patch frame quilt block

3.1/2″ squares:  sixteen dark blue

3.7/8″ squares:  eight each in light blue and white, two each in dark blue and light blue

Make half square triangles

Make half square triangles

Making the nine patch frame quilt block

Make half square triangles with the 3.7/8″ squares, in the colour combinations listed above.  Place a light blue square with either a dark blue or a white square, right sides together.  Mark a line along the diagonal and sew a 1/4″ seam either side of the marked line.

Cut along the line to produce two half square triangle units.  Press the seam allowances towards the darker fabric and trim the corners of the squares.  These are now 3.1/2″ squares.

Nine patch frame quilt block layout

Nine patch frame quilt block layout

Lay the squares out in six rows of six squares.  This is another of those blocks where I find that it helps to think of the layout in terms of a whole lot of four patch units.  Each corner is a four patch unit made of three dark blue squares and one dark blue/light blue half square triangle.  The central square is just four dark blue squares.

The remaining four patch units are all made using four light blue/white half square triangle units.  Place these so that there is a larger white triangle on each edge of the central square and a larger light blue triangle on each edge of the quilt block, pointing away from the middle.

Sew the squares together across each row and then sew the rows to each other to complete the nine patch frame quilt block.

You might be interested in the interlocking squares quilt block which has a similar diamond frame in it, but with a very different overall design.

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