In design cases, where the surface area is limited, such that there are no points on the part that allows for ejection from the mold, you can optimize your design by:u003cbr /u003e- Adding bosses to act as ejected padsu003cbr /u003e- Replacing ejector pins with liquid silicone rubber parts, such that upon cooling, parts are manually ejected from the molds via the liquid silicone rubber.