A hosted, place-based wiki project created by the founder of DavisWiki, probably the most successful place-based wiki around
Not really a 3D printer. And not really working, AFAICT. Interesting idea. But lame.
Somerville, anyone? I don't want to start this unless I do so with a bunch of others -- I feel like I'm starring in my own little collective action problem.
Very long, and very convincing, argument about why Brix are a crap measure of food quality.