3-D printer is merely a hint of the revolution to come We recently covered the story of the troubles at MakerBot, and how people were having trouble finding really useful things to do with them, and more trouble doing them well. This was saddening but not unsurprising; home 3-D printers could make little things out of plastic, but that’s it. However, 3-D printing was only one form of what I used to call downloadable design, and now call digital fabrication, where designs can be exchanged arou