After the first improv iteration, we have so far completed 12 blocks. The blocks are uneven and need trimming and completing.
The final size of each block will be 12 1/2 inches.
Finishing the blocks
Trim all blocks to 11 1/2 in square.
Take all the little strips of fabric you kept from your charm squares and scraps of solids cotton fabrics.
Take a piece of solid fabric and cut a strip that is at least 13 in long by 1 3/4 in wide.
Cut the strip at random intervals and stitch the little 1/2 in x 5 in strips left over from the initial charm squares you used to make the blocks.
You can stitch the strips using a 1/8 in seam allowance.
You need to repeat this one for each block.
You can add more than one little piece or even make one little strip out of two different fabrics.
The more variety, the more interest you will add to your quilt.
Can you see the second strip is made out of two different strips of fabric?
I made the coloured strips all at the same time.
I used mostly coordinated fabrics but you can mix and match.
Depending on the angle you used when cutting your strips across you may need to straighten the final strip.
Now pick up a block and attach the strip to it.
Pin and stitch.
Trim the strip.
Press seam.
Trim to 12 1/2 inches.
To finish now cut a 12 1/2 in x 1 1/2 in strip of background fabric.
Stitch. This will square the block to 12 1/2 inches. You are done with your first block.
For the next block attach the strips in the opposite way, ie start with a 11 1/2 in x 1 1/2 in strip of the background fabric.
Then attached the coloured strip.
And trim to 12 1/2 in square.
Alternating longer and shorter coloured strip will add some more improv features to the quilt. Do as many of each as you like rather than half half.
Detail of finished 12 1/2 inch blocks
Next tutorial the quilt is put together.
teresadownunder.com 
This is so much fun. Thank you, dottie
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