You are welcome to put your friend in touch with me if you'd like.
Baby Alpaca and Merino is a good blend. The Merino helps keep the stretch. I would think about hand washing versus machine washing. There are more choices available in hand washable yarns.
As far as patterns, once you know the weight of the yarn, from lace weight ( lots of work/ super thin) , to sport, DK, worsted, Aran, bulky etc. I can send you the appropriate pattern. But I have a feeling that once you pick the yarn, your friend will have no problem generating her own pattern.