A pojagi is the original re-usable shopping bag. In ancient Korea, square pieces of fabric were folded and tied to carry things, give gifts or store special items.
This type of patchwork was originally used in ancient Korea to make wrapping cloths. Today it is experiencing a resurgence and the techniques are used to sew many modern decorative items.
Seam allowances are tricky things. In traditional quilting, getting the correct seam allowance will make your life a lot easier. A scant 1/4″ means that everything will line up nicely when you’re finished and points will match. If you are doing lined pojagi, seam allowances are the same, so you are good to go, but …