yeaah that's done and now you can build "old fashioned" cities .. but perhaps better next ones... CiTies easily.. may it could be used for real too ? i'll test it ...
this the how to script a 3D city... model
it's up to date, and will have a great soft next.
for now some of gridding buildings are very useful for replacing a simple idea and move on .. watch videos about, that's very well done...