PLA (polylactic acid) filament for 3d printing is a versatile, easy-to-use material used in 3D printing. PLA filament is a bio-plastic, which means that it is a renewable and biodegradable material. Available in many vibrant colours, including neon. The filament is an easy to print material on the majority if not all current 3D Desktop printers, such as the Ultimaker, Prusa, Makerbot, Creality, flashforge, Craftbot range, to name just a few.