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Summary(3 piece) machine screw with hollow cap head m3 x 16mm(1 piece) Cut out 15mm 3D printing supplies (wire diameter 1.75mm, fluorescent green or luminous green recommended Print SettingsPrinter Brand: ELEGOO Printer: ELEGOO NEPTUNE 3 Pro Rafts: No Supports: Doesn't Matter Resolution: 0.2 Infill: Does not MatterFilament:ALL ALL At least one shade of green filament