This model is for industrial and commercial profit.Plastic sharpener for office/schoolar use, to be made of polypropylene plastic avilable for bothe opaque and tranparente use.the parts are in optimal dsign of thikness, draft angels,shape and core/cavity design Intended for plastic molding manufactur processThe files I uploded are parts and assembly files, modeled using solidworks-2017.You can contact me for any required modifications.thanks...