I love both the 2D and 3D maps! Is there any way to save a generated map so that you can come back to the village/town/city later on? Also, I noticed that the 3D generator tends to create the same size map. It doesn't like to create the large 3D image.
With the non-itch.io version of the generator you can copy an url to build exactly the same city later, given that you don't change layout settings. For example this http://fantasycities.watabou.ru/?size=9&seed=1507880450 will produce a small town with a river coming across it (river=on, coast=off, castle=on, walls=on).
Toy Town contains a limited version of the generator, which doesn't support url parameters (and it wouldn't work on itch.io anyway). And yes, it always builds medium-sized towns (12-23 districts), because the renderer is too slow for large ones.