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!
узор 681 | каталог вязаных спицами узоров | Вязание спицами. Узоры | Постила
A most likely knitted swirled stripe beanie hat that would look perfect in alternating. red and white stripes :D