The Garratt in the Flickr link was built in Tasmania (I think) and is a scale replica of k1/k2 of the NE Dundas tramway.
Yes, built in Tasmania, but not quite scale. It was built using the original works drawings but the scales are different laterally, longitudinally, and vertically, and when you look closely there's a lot of "inspired by" rather than "scale model". But when you see it in the metal it looks just right.
Also has a genuine Victorian era Beyer Peacock whistle from an Australian main line loco which has a different tone to any modern whistle I've yet heard. It will soon have a name, and nameplates to suit. From now on it will be a regular performer at Perrygrove.