What is Polylactic acid?
[[File:Bobina PLA.jpg|thumb|Red PLA filament for 3D printing]] '''Polylactic acid''' (PLA) is a type of [[plastic]]. Specifically it is a type of [[polyester]]. It is the most popular plastic for [[3D printing]]. It has many properties that make it an ideal material for 3D printing. It has a low melting point, and it does not shrink much when it cools. PLA is usually made from sugar or starch. [[Category:Polymers]]