Winner of the TinkerCad/Makerbot chess challenge, author of 3D Printing Blueprints, and all around cool guy.http://joes3dworkbench.blogspot.com/ 

Convinced by 3D printing potential as a vector of social and economic changes, I take part in this movement by designing "file-objects". I believe 3D printing will become a major alternative production method, decentralized and accessible, tha...