The colors are the primary thing that makes a quilt masculine or feminine ... after that, I think curves are more feminine and straight-lines and 90 degree angles are more masculine. So, stars, chinese coins, bento boxes = masculine, Dresden fan, drunkard's path, wedding circle = feminine. Storm-at-sea can be either as it's straight elements form a curve and the angles are half 90/45 and half 90/60/30.