Hi friends?iam Dedy.e from indonesia,i am engineer and toolpather 13 years,i have reads your description and i have check your file STL,i can help you for modification your file and check thick your part,i experience in design product,and manufacture process,3d printing,injection mold,cnc milling and etc,i can provide format file you needs as,STEP,IGES,STL,OBJ and etc,so all design can be produce,i'll give you good result with hight quality,i hope we can work togheter and i very happy if can help you,i waiting good news from you,Thanks Dedy.e