Most printers in this segment build 3D objects out of successive layers of molten plastic, a technique known as fused filament fabrication (FFF). It's also called fused deposition modeling (FDM ...
Inexpensive 3D printers tend to support a limited number of plastic filament types, some of them only PLA and/or ABS. PLA (polylactic acid) is a biodegradable, plant-based polymer, while ABS ...