i did it. the duvet was actually longer and narrower than the package said it was so i had to open and resew some seams (hence the "damn" duvet; much cursing was involved). we're moving L to her big girl bed in a couple weeks and i can't wait for her to use it! i would move onto the pillow now, but i'm exhausted. and need a glass of wine. ha. ***
What package did you use? I've been casually looking for a duvet or comforter for DD that I like. Having come up short, I've decided I'll probably sew my own.