Elon Musk's Hyperloop gets 3D-printed to scale (wired.co.uk)

Hyperloop technical specs here (pdf): http://www.spacex.com/sites/spacex/files/hyperloop_alpha.pdf

By "to scale" they mean a scale model.

This showed up more than a week ago:

https://news.ycombinator.com/item?id=6251077