Blocking my knitted Afghan

I finished a baby afghan and it is really loose. Can I shrink it without damaging the yarn?

Welcome to the forum!
It depends on the type yarn you’re using. Can you give us the brand, the yarn name and fiber content?
Actually, a baby blanket that’s a bit large isn’t such a problem. It’s still nice for a small baby and they grow so fast that it’s likely to be perfect in a year.

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The yarn is Knit Picks Swish 100% superwash merino wool. I have not blocked it yet. The pattern is supposed to be wonky like that. It is supposed to be good for a baby’s developing eyesight.

I’ve made this pattern, too. Try washing it, spinning out the excess water in the washing machine and pinning out to size on a towel or even a rug. I wouldn’t try shrinking it in any way. Just follow the ballband directions for washing. It looks fabulous!