Create real metal parts using any open-architecture FFF/FDM 3D printer—or even a 3D printing pen. Available Formats: Spools: 1.75mm and 2.85mm diameters in 0.5kg, 1kg, and 3kg weights Pellets: 1kg and 3kg units Filament Density: 4.3g/cc - 5.0g/cc Metal Content: 86.0% – 90.7% pure copper High Compatibility: Works with virtually any open-archite...