Filament Spools - 10 Spool Pack - Plastic or Metal
Amazon.com: HATCHBOX 1.75mm Black PLA 3D Printer Filament, 1 KG Spool, Dimensional Accuracy +/- 0.03 mm, 3D Printing Filament : Industrial & Scientific
Reusable Filament Spool - eSun and Inland compatible by Beaver | Download free STL model | Printables.com
Empty Filament Spool Weights and Dimensions - Thrinter