Hello there?i am engineer and product design,i am very interested with your project,i can help you for make 3d modelling your part/product,i can send format file you needs as STL,STEP,IGES,and etc for compatible to 3d printing machine,i have 13 years in manufacture and prototype,so don't worry,i will send good result and hight quality,i hope we can work togheter and i am very happy if can help you,Best-regard