3D printing filament
3D printing filament is the thermoplastic feedstock for fused filament fabrication 3D printers. There are many types of filament available with different properties.
Filament comes in a range of diameters, most commonly 1.75 mm and 2.85 mm, with the latter often being confused with the less common 3 mm.
Filament consists of one continuous slender plastic thread spooled into a reel.