Polylactide pla filament spools are used in the process of 3d printing it is available in a wide range of colours and translucencies and has a glossy attractive feel that makes it ideal for printing 3d objects for display or for household goods it is derived from processing a number of plant products including corn potatoes and sugar beet it is often considered a more lsquoeco friendly print material thanks to its ability to bio degradepla is capable of being printed at higher maximum