hmm force density method for free .... david did something like that for tents .. wait thats a stress melt like toska... lol thats coool... so now everone can to that .... no annual licence for hell of a money... anyway if grasshopper moves in that segment and rhino is starting volumemeshing....lets say this is interesting .. imagine a car part reducing about 30 percent weight.... very green design approch... less gasoline.. etc. etc. His is much better than this fancy link geometry of panels to sun study for better cabon print and maybe some dubai guy will build it for perodollars.... but thats just a opinion.