Fig. 5

Digital models of the femur and mold box; Each bone was digitally divided into two halves (a. anterior, b. posterior) to be later molded into urethane rubber (note the holes for alignment pins in the split surface that ensures secure registration to the base of mold box); c. two separate mold boxes were designed to account for male and female halves of the final rubber mold (note the difference in alignment pins)