Amazon.com: HATCHBOX 1.75mm Black PLA 3D Printer Filament, 1 KG Spool, Dimensional Accuracy +/- 0.03 mm, 3D Printing Filament : Industrial & Scientific
eSUN 3D Printer Filament 1.75mm 1KG ABS+ 3D Plastic Printing Filament 2.2 LBS Spool 3D Printing Material for 3D Printer|3D Printing Materials| - AliExpress
BASF Ultrafuse 17-4 PH Metal 3D Printing Filament 1.75 mm, 1 kg: Buy or Lease at Top3DShop