Aimerai Doll has done a whole series of SD sized dolls from the Wizard of Oz, including the Patchwork Girl, and the outfits are available to buy separately. They are adorable. Here is "Chopper":
(Look how cool that arm is). Here is Glinda:
And here is Scraps, the Patchwork Girl:
(They offer a human version of her as well). So cute! The clothes would go well with a steampunk theme, too.