see this post for the "complaint" and example image:
http://forum.turbofloorplan.com/index.php/topic,208.msg873.html#msg873I'm posting this here because if you have the same problem, I figured out a workaround solution...more work, but it fixes the problem of one wall not rendering uniformly and looking as if its in two parts (because it technically is two walls from another wall intersection) even tho it is 'one' perfectly aligned wall.
