I was curious what a thorium reactor that didn't spend copper on quad cells would look like, and came up with this:
http://www.talonfiremage.pwp.blueyonder.co.uk/v3/reactorplan…gjgq9tg4gknp4w0
And here's one that uses...
16 iridium reflectors...
http://www.talonfiremage.pwp.blueyonder.co.uk/v3/reactorplan…k613gh60hcooc8w