Formerly Roof Dev Tool
Adds new tools that make editing the map easier. To use, just open Architect -> MapTools
Tools:
Add/remove any roof type
Change terrain to any type
Instantly smooth floor/walls
Place stone/ores
Other changes:
nondestroyables (such as steam geysers) can be destroyed
Should work with everything.
Can be added/removed to saves without issues.
Github: https://github.com/Herigony/MapEditTools
Ludeon Forums: https://ludeon.com/forums/index.php?topic=49120.0
Credits:
Mod - Herigony
Japanese Translation - Proxyer