OpenForge Smooth Edge Corner Tile

OpenForge
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Dungeon edge corner tiles designed to be compatible with Dwarven Forge dungeon tiles.
The smooth set can be used for any number of things. Look at the Smooth floor tile set for ideas. There, I've done concrete, ice and dirt. Here I've done concrete.
These tiles are designed to line their walls up with walls from tiles butted up against their neighbours. These are designed to be used on the edge of the map or to give more usable space for the play area, particu