this was based on a sweater my Babka (grandmother) owned
Made to fit the Springfield collection dolls, it also fits the American Girl dolls as well - it is a tad large on the Magic Attic dolls which are skinnier.

Pattern uses less than 50gr of yarn (about 1 oz);
I am also working up an example using thin mohair and should get a picture of that one when finished
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This pattern is available on .pdf as well, but I do not know how to link pdf’s to a pattern yet - just drop me a line and I can email it off to you for free (you however are responsible for any fees charged by your network carrier)