Want to create fast tile based dungeons, like the ones used for combat in 3E Dungeons & Dragons®? Geomorph is ready and waiting for you! Draw regular 2D dungeon using standard geomorph symbols and after converting it to Realm Overseer you have fully interactive 3D dungeon your players can explore. Cover this dungeon with grid, and you have 3D combat envyroment ready for them - with line of sight, cover and hiding coming to life in full 3D visualization. Whats even better you can take advantage of RO versatility and additionaly improve your dungeons with symbols from another catalogs - plant couple of trees from CC2 overland set, place beds and furniture from Keysolid, even crates and carts from CD2 can be usefull in large underground cavern.
Notes: Placing objects on secret layers will allow you instantly change the shape of your dungeon or "create" new objects for your players by simply turning such layers on or off.