fix walls once and for all hopefully
@@ -598,7 +598,7 @@ class LevelGeometries:
self.walls_bottom = HybridGeometry(self.walls.geom, self.walls.faces)
self.walls.build_polyhedron(self._create_polyhedron,
- lower=vertex_altitudes,
+ lower=vertex_altitudes - int(0.7 * 1000),
upper=vertex_wall_heights)
if interpolator is not None:
