A 3D-printable model of the helmet of the spacesuit from the movie "Alien" made by commission the model can fit a glass or plastic dome with an outer radius of 186mm and a thickness of 3mm cut off from the 180° bottom by 14mm or 4° the model is designed for printability and can be scaled but needs to be split up for printing it includes a full version as well as one split in half for adding in the dome more easily but are still too large for most printers