acolchado charm pack quilt charm pack sewing free-motion improv patchwork quilting stippling tutorial

Semi improv 9-patch quilt tutorial – block 3

Do you want to make this quilt?

Follow the tutorials

This is the third block in a series of 12 that make the Semi-improv 9-patch quilt.


  • 1 charm pack (a charm pack is typically a 42 x 5 in squares)
  • cream cotton fabric for the background
  • cotton solids scraps in matching colours

All blocks are a variation of churn dash or monkey wrench, a 9-patch block.

The finished block size is 12 1/2 inches. The finished size will be obtained after 2 improv patchwork iterations.

Block 3

Red = pattern charm square

White = background fabric


  • one charm square to 4 1/2 in for the centre
  • four 4 1/2 in x 2 1/2 in of the pattern fabric
  • four 4 1/2 in x 2 1/2 in of the background fabric
  • two charm squares to 4 7/8 inches for the corners
  • two  4 7/8 in squares in the background fabric for the corners

Important: Keep the tiny bits when trimming the charm squares to 4 1/2 inches. They’ll be used later.

Making the corner triangles

Place both pattern square and background square with right sides together.


Mark a diagonal as per picture.

Stitch 1/4 in from the line on both sides of the diagonal.

Cut through the diagonal.

Open and press.

Place the cut pieces as per diagram above.

Stitch together on rows and then the rows together.

The third block is done.

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