cnc prototypes 1.CNC,SLA/SLS/FDM/precision machining 2.Material: plastic ... metal 3.4~7delivery time 4.0.02mm tolerances cnc prototypes RTV prototyping prototyping modelGeneral Feature: 1.Prototyping Way:CNC/SLA ... ,PMMA,POM,Nylon ,PU and so on+/- 0.003" Metal prototypes Aluminum, Stainless Steel, Carbon Steel, 17-7 PH, Brass, Phosphor ...