Inspiration for jumper or cardigan if cut down the middle? And I might cut up and lengthen the inner sleeve seam, this creating more of a side seam at the same time so it's not quite so revealing on the sides.
МК Спицы "Пришивная" планка [ "This is in Russian but the photos are good. Attaching a knit placket", "Find and save knitting and crochet schemas, simple recipes, and other ideas collected with love.", " (Ideas from the Internet) / Crochet / Women
via Knitting- So much yarn, so little time / knit. shift every 3 rows) Cast on multiples of Knit all right side (odd) rows. Row 2 and across. Row 6 and across to end, end with Repeat 8 rows for pattern. Or for Row 6 and start with a and end with