Hello There?i am engineer and product design,i am have several experience make design and manufacturing,i am interested with your project,imam can help you for make 3d modelling your mold,ussualy mold that cavity and core,please share detail your part,i am can start work right now,i am can send format file you needs as STEP,IGES,STL,DXF,DWG,and etc,file ready to cnc Milling,hope we can work together and very happy if can help you,thanks Dedy.e