Square In A Square Quilt Block Sizes

Triangles on the square.

Square in a square quilt block sizes.

Choose the finished size for your square in a square quilt block or unit. Pin one smaller square on each corner of a larger square with the right sides together. For example if the finished size of your block unit is 4. I tend to think of this as a traditional method but there are several others that can wear that hat as you will see.

Cut 1 from freezer paper. For square in a square units remember. Stitch a diagonal line across each smaller square sewing across each corner of the larger square. Cut 2 squares cut in half on diagonal.

The corner triangles sizes below are larger than they should be so you can square them down. Cut off the excess outside fabric and open up the squares to reveal the finished block plus seam allowance of 1 4 inch all around. 2 2 2 1 3 8 3 3 2 2 1 8 4 4 3 2 5 5 3 3 6 6 4 4 8 8 1 2 5 5 5 8. Cut the center square fabric equal to the finished block size plus 1 2 for seam allowances.

Thus for a 6 finished block your corner squares will be cut 3 5 inches. Now you will cut squares of fabric to make the 4 corner triangles of the square in a square block. The size of these squares is one half of the sewn block size 1 2 inch. It is the part that will be the center square in the finished square in a square block.