A last is provided for shaping a shoe upper, such as a custom-made last tailored to a user's foot. Embodiments include a last for shaping a shoe upper including at least an outer peripheral portion comprising an aggregate of a plurality of blocks, the plurality of blocks being joinable together to form a portion of the last and shape the shoe upper, and separable from each other after being joined together. The plurality of blocks includes a first plurality of blocks which are identical to each other. Embodiments also include a method for producing a last for shaping a shoe upper, the method including forming the last by joining a plurality of blocks together to form an aggregate, the plurality of blocks including a first plurality of blocks which are identical to each other.