The next innovation in low cost (<2% standard cost) high durability Prosthetics. This is perfect for adults who need a functional thumb prosthesis and children who need frequent prosthetic fitting due to growth. Scale to fit in length and diameter. Print in a human friendly plastic Nylon 645 from Taulman is excellent. This prosthesis is far superior in wear and tear than standard PVC and Silicone cosmetic prostheses and at most 1% of the cost. This prosthesis is designed for function and will allow almost normal use of the thumb for mechanical force application. Dye with RIT dye to match skin color.