Cosplay as Jyn Erso in her Imperial Ground Crew disguise from Star Wars: Rogue One with this 3D printable helmet.
Included in download are 5 .stl files:
Full Helmet - x: 30.06cm y: 32.723cm z: 30.837
Head Piece - x: 25.923cm y: 29.742cm z: 18.419cm
Left Ear - x: 8.552cm y: 16.227cm z: 16.327cm
Lower Jaw - x: 22.825cm y: 18.291cm z: 9.947cm
Right Ear - x: 8.552cm y: 16.227cm z: 16.327cm