Attached Link: http://www.renderosity.com/freestuff.ez?Form.Contrib=derjimi&Topsectionid=0

derjimi's free stuff. Quite a treasure trove. Among other things, there's the Tower Construction Kit. Hm. I seem to remember a Castle Construction Kit, too. Do also a search for Castle in Free Stuff, there are several of them, like George's Fairytale Castle for Poser.

-- erlik