Try buttoning up and three step zigzag first. If felting, put jeans or towel in when washing on high heat. Blanket stitch edges.
Antonio Marras - Pre Fall 2013 Collection | Patternbank
SKYDDA LÄTT Mattress protector IKEA. Suitable for sweater blanket backing? £7 for largest size.
Sew two diagonal seams and then cut the sandwich apart on the original, drawn line.
sweater quilt - definitely doing this at some point
Travis Meinolf/"Action Weaver" has cut up handwoven fabrics & pieced them together in an angular pattern for a blanket __ photo via his Flickr page
Such clever circles tutorial for applique etc. Use for hexagon quilt, too.