1. A method, the method comprising: receiving medical image data representing surrounding portions of a patient's anatomy to be repaired by surgical implantation of the custom-fit implant; performing three-dimensional surface reconstruction based on the medical image data; designing a custom-fit implant based on the three-dimensional surface reconstruction; modeling a two-part mold with a void in the shape of the custom-fit implant by subtracting a representation of the custom-fit implant from a representation of a simple block; and outputting the two-part mold from which the custom-fit implant may be manufactured.