I wanted to do a 'design a particular object' thread for umbrellas - since they never evolved over a hundred years and especially, they tend to fall apart in one second in the wind. I have some crazy technically unsound drawings that I would like to post but...would there be other people willing to post their own designs? Would there be a way to solve copyright & trust issues in order to make such a project possible? Would people be OK with letting any resulting good designs become public domain or "shareware" or "freeware". Are these concepts only possible in the software world? Is this naive and impossible? My main question is, do you think such a thread would be impossible due to (quite understandable) copyright issues?