This in a nice change to the granny square blanket most crocheters know.  Being in the shape of a rectangle you may find this a much more useful shape to use.

We have made up this pattern for ourselves with an 8ply and a 10ply and you can see our suggested crochet project here 

 Sizes Blanket 1:-     Length 74 cm  x  71 cm Width

Sizes Blanket 2:-     Length 76 cm  x  62 cm Width

Yarn Usage:            6 balls

Naturally Original Aran ply wool

50 g balls   of   125 m (approx) (or equivalent yarn)

Requirements             4.50 mm   Hook