I suspect he doesn't... there is a mysterious 1-rep diamond aki, apparently an employee or at least a contractor who can help with Japanese translations.
So much for an attempt to onebox a profile on 3D printing, it's still a bug (same with posts).
Looks like the only site where Grace Note has a different name: 2D Printing Grace Note. "My ID demands that I have fewer dimensions than required to be printed on this site."
Jon's latest blog post puts his old SO question in the spotlight, which may have a side effect: the question is arguably off-topic and was already closed as such once, overruled by Jaydles.