Pattern sizes SD – Sd10 – Sd13 boy YOSD This is a basic paint pattern which was originally drafted for people new to sewing 3rd , 4th scale clothing, it was drafted to have very forgiving seams and to make small parts easy to fit. PJ Pants, boxers PJ Pants and Boxers use nearly the same directions, so if you learn one you learn both. With right sides together, stitch FRONT to BACK at seam 25 only.. With the right sides together, stitch the crotch at seam 23. This is the front half of the crotch. Do