The Open Source Hardware Documentation Jam occurred this past weekend:
http://www.opensourcewarehouse.org/
You can follow the progress of the event on Twitter with hashtag #oshwdocjam:
https://twitter.com/search?q=%23oshwdocjam&src=hash
There's also a Facebook page:
https://www.facebook.com/events/284570138340081/
Did anyone here attend?
cheers,
drew