Amazon.co.jp: 3D Printer Filament PA6-CF Carbon Fiber Reinforced Nylon Material 20% Choppy Carbon Fiber + 80% PA6. Nylon, 2 kg spool, 2.85mm (Size : 1.75mm) : Computers
Amazon.co.jp: eSUN Carbon Fiber Nylon 3D Printer Filament, Carbon Fiber PA Dimension Accuracy +/-0.05 mm, 1.75 mm Diameter for 3D Printers, 1KG Net Quantity (2.2LBS) Spool Molding Material Carbon Fiber Fill (Natural):