3D printed enclosure using engineering resins (not FDM). Everyone seems to be stuck at this step, even Google. Not sure why since the tech is decades old.
https://www.youtube.com/watch?v=KVhhZd1p8FI#t=56m10s (https://www.youtube.com/watch?v=KVhhZd1p8FI#t=56m10s)
Youtube doesn't always like starting so far into a long video. The conversation about 3d printing starts 56 minutes and 10 seconds in.
"3D Systems Will Not Be 3D Printing Google’s Project Ara Smartphone Modules"
http://3dprint.com/33331/google-project-ara-3d-print/ (http://3dprint.com/33331/google-project-ara-3d-print/)