Hello there?i am have reads your description with carrefuly,i am very interested with your project,i can help you for make 3d modleling your drinking vessel,i can make drinking vessel according you want with reqirment you needs,i am can send format file you needs as STEP,IGES,X_T,STL,OBJ and etc,please chat me and we can discuss more detail,i am have 13 years in make 3d modelling and manufacture,don't worry i can send good result and haight quality,i hope we can work togherter and i am very happy if can help you,thanks Dedy.e