... , *.stp, *.stl, *.x-tSurface treatments:Paint, polish, silk-print, anodize, transparent surface, translucent surface, brush, rubber oil, electroplatMaterials: ... , 3d printing, 3d model, machining part, silicone molds, resin craft, silicone mould, cnc part, ningbo prototype, china prototype, machining ... nbkc, sample, 3d printing, 3d model, machining part, silicone molds, resin craft, silicone mould, cnc ...