This is a very interesting idea. I'd say pitching the idea to the Creative Commons people is probably the best way to go. In fact, one of the CC licenses might already work ... maybe.
By the way, the HN title needs improving. This post is not primarily about instructables; rather, it is pushing a new content-licensing idea.
By the way, the HN title needs improving. This post is not primarily about instructables; rather, it is pushing a new content-licensing idea.