Methods for creating a piece of hard shelled footwear are provided. The method may include determining a first set of data, where the first set of data represents a three-dimensional shape of a foot. The method may also include determining a second set of data based at least in part on the first set of data, where the second set of data represents at least a portion of an exterior shape of a piece of hard shelled footwear. The method may further include fabricating a mold shape based at least in part on the second set of data. The method may moreover include fabricating the piece of hard shelled footwear in the mold shape.