Originally Posted by
Pagzz
If you are aware that they are just a bit smaller, you can compensate when they are incorporated into the quilt. Ideally if a skimpy hst is paired with a square make sure the square is the correct size and move the hst into centered on the square - the seam would be normal for the square, and skimpy for the hst
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This would work if the HST fabrics are "sturdy" enough to not pull apart with a skimpy/scant seam allowance.
If making a mystery quilt - i think making/using the HST units as the "suggested size" would probably make the construction of the quilt easier.