I’ve taken a look at it. The main problem is that many of the parts, including the visor, have no thickness; they’re just collections of 2D faces with no “inside” or “outside”. I’ve already thickened the visor and cleaned up a few other bits.
Its not bad, gives a general idea but my OCD solid model brain picks out flaws and like Runnerpack says its just faces and not solid. It will be cool to see if you do manage to print something.
BTW here is my scaled down model of the controller I did a few years back, not got the battery box on but might make a nice keyring etc.