sipa, a division of zoppas an italian packaging industries manufacturer of injection and blowmolding machines as well as complete filling lines, has been following the newest developments in 3d printing . the company has employed 3d digital printing to create an elephantshaped pet bottle. this project was done as a part of the brau beviale 2014 exhibition held in november in nürnberg, germany . it used an entry level printer and a polylactic acid pla polymer filament to produce the bottle. pla produces neutral color and slightly transparent bottles, which was desired for this project.