If it's hand washable, I'd wash it and lay it flat to dry in the shape and size you want, pinning it if necessary. Since it's only 50% wool, though, I don't know how well it will hold a blocking. If it's ok the way it is, there's no law that says it must be blocked, though.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry