Via Ludibunda released new 3D-printable buildings:
STL Files to 3D Print Scenery for Wargames and Roleplaying Games on Any 3D Printer!Link: Via Ludibunda
You will get a link to download an archive containing STL files that will allow you to print four different houses, just load them in the software provided with your 3D printer and print them as many times as you like!