Eneroth Terrain Volume not working?

[bimberle]

Make Terrain with buildings 3D printable?

Hey guys, I have a map with buildings from my hometown and wanted to print with my Prusa. With some help from the forum community here I was able to make the terrain printable. Now the problem is that the house doesn´t come out the right way in the slicer. The houses won´t print properly, especially the roof. The slicer doesn´t recognize the walls and roof as a solid object, more like just very thin walls. Some of them are too small too print… If I export the file as STL the STL is not soli…