Formfutura MetalFil™ Ancient Bronze - 3DJake Italia
Metallic Bronze PRO Series PLA Filament - 2.85mm (1kg) | MatterHackers
1KG 1.75mm Bronze PLA Filament
Metal filament: bronze, copper, brass and more, for 3D printing
Amazon.com: Basics 3D Professional 3D Printer Filament, Bronze Gold, PLA Bioplastic Composite, 1.75mm, 1.0 Kg, Filament Compatible with Prusa, Creality, FlashForge and Most FDM Printers, Made in USA : Industrial & Scientific