hi sir?i am interrested with your project,i can help you for make you enclosure according your pcb, i experience make enclosure,i can make 2 field bottom and top and using screw methode or flip methode,we can choose this methode after i know your pcb,i experience make 3d modelling and 2d drawing,i using solidwork for do it,i can send format file you needs,if you want do prototype i can supplay format stl,step or obj,file,and if later you want process to injection molding i can send format file step,iges,parasolid,and sourcefile,i bidding with $200 this makesense cos we sould support until process injection molding,i experience in machining process,cnc milling,lathe machine,and i expert in make toolpath cnc milling for toolapth 3d or 2d,and i experience calculation tool and choose cutting tool,i work in manufacture 13 year,i very happy if can help you,i wait your replay,thanks Dedy.e