From a Spanish website, interesting construction!
This is a fun basket weave pattern! Not sure about it for a sweater, but I like the texture for, say, pillows or a hand bag. (And of course, I love the purple!
pretty leaf edging used as button holes sweater detail knitting
Hearts - openwork pattern for children& blouses
ПРОСТЫЕ УЗОРЫ СПИЦАМИ. КРАСИВАЯ ПОДБОРКА