Here's a forthcoming KS, ideal for making alternative maps: https://www.facebook.com/TabletopTowns?fref=ts

Do they say how thick the tiles are? I couldnt find it, and the video looked very thin.

For similar free 3d tiles for Starwars, you may want to try here:

http://swminiature.free.fr/download_maps.htm

print and assemble yourself, the death star ones were cool!

Not sure how thick they are but they are plasticard and not cardboard.