Open licenses don't work for uncopyrightable subjects: 3D printing edition

Michael Weinberg (who has written seminal stories on 3D printing and copyright) writes, "We are seeing widespread adoption of copyright-based open licenses in 3D printing and open source hardware. This is great in that it shows that the culture of openness has really permeated the culture. It is not so great because a significant number of the things nominally licensed in these communities aren't actually protected by copyright." (more")