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diff --git a/structures/RedMineshaft.json b/structures/RedMineshaft.json
new file mode 100644
index 00000000..01d15740
--- /dev/null
+++ b/structures/RedMineshaft.json
@@ -0,0 +1,161 @@
+{
+    "gridHeight": 6,
+    "wallStyle": {
+        "multiplier": 1,
+        "style": "STATIC",
+        "zoom": 1,
+        "exponent": 1
+    },
+    "tiles": [
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "NEVER",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "NEVER",
+            "objects": [
+                "structure/RedMineshaft/cross-1",
+                "structure/RedMineshaft/cross-2",
+                "structure/RedMineshaft/cross-3",
+                "structure/RedMineshaft/cross-4",
+                "structure/RedMineshaft/cross-5"
+            ],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "NEVER",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": [
+                "structure/RedMineshaft/t-connect-1",
+                "structure/RedMineshaft/t-connect-2",
+                "structure/RedMineshaft/t-connect-3",
+                "structure/RedMineshaft/t-connect-4",
+                "structure/RedMineshaft/t-connect-5",
+                "structure/RedMineshaft/t-connect-6",
+                "structure/RedMineshaft/t-connect-7"
+            ],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "NEVER",
+            "placeMode": "PAINT",
+            "south": "REQUIRED",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": [
+                "structure/RedMineshaft/hall-1",
+                "structure/RedMineshaft/hall-2",
+                "structure/RedMineshaft/hall-3",
+                "structure/RedMineshaft/hall-4",
+                "structure/RedMineshaft/hall-5",
+                "structure/RedMineshaft/hall-6"
+            ],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "REQUIRED",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": [
+                "structure/RedMineshaft/corner-1",
+                "structure/RedMineshaft/corner-2",
+                "structure/RedMineshaft/corner-3",
+                "structure/RedMineshaft/corner-4",
+                "structure/RedMineshaft/corner-5"
+            ],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "REQUIRED",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": [
+                "structure/RedMineshaft/room-1",
+                "structure/RedMineshaft/room-2",
+                "structure/RedMineshaft/room-3",
+                "structure/RedMineshaft/room-4",
+                "structure/RedMineshaft/room-5"
+            ],
+            "west": "REQUIRED",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "REQUIRED",
+            "placeMode": "PAINT",
+            "south": "REQUIRED",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": [
+                "structure/RedMineshaft/walled-room-1",
+                "structure/RedMineshaft/walled-room-2",
+                "structure/RedMineshaft/walled-room-3",
+                "structure/RedMineshaft/walled-room-4"
+            ],
+            "west": "REQUIRED",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        }
+    ],
+    "gridSize": 5,
+    "wallChance": 0.35,
+    "maxLayers": 1,
+    "name": "RedMineshaft",
+    "underwater": false,
+    "loot": {
+        "mode": "ADD",
+        "tables": [],
+        "multiplier": 1
+    },
+    "clamp": {
+        "minimumHeight": 0,
+        "maximumHeight": 255
+    },
+    "bore": true,
+    "mergeEdges": false
+}
diff --git a/structures/flat.json b/structures/flat.json
new file mode 100644
index 00000000..1758bda5
--- /dev/null
+++ b/structures/flat.json
@@ -0,0 +1,133 @@
+{
+    "gridHeight": 5,
+    "wallStyle": {
+        "multiplier": 1,
+        "style": "STATIC",
+        "zoom": 1,
+        "exponent": 1
+    },
+    "tiles": [
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "NEVER",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "NEVER",
+            "objects": ["structure/flat/cross-1"],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "NEVER",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": ["structure/flat/t-connect-1"],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "NEVER",
+            "placeMode": "PAINT",
+            "south": "REQUIRED",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": ["structure/flat/hall-1"],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "REQUIRED",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": ["structure/flat/corner-1"],
+            "west": "NEVER",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "REQUIRED",
+            "placeMode": "PAINT",
+            "south": "NEVER",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": [
+                "structure/flat/room-1",
+                "structure/flat/room-2",
+                "structure/flat/room-3",
+                "structure/flat/room-4",
+                "structure/flat/room-5",
+                "structure/flat/room-6",
+                "structure/flat/room-7",
+                "structure/flat/room-8",
+                "structure/flat/room-9"
+            ],
+            "west": "REQUIRED",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        },
+        {
+            "ceiling": "AGNOSTIC",
+            "east": "REQUIRED",
+            "placeMode": "PAINT",
+            "south": "REQUIRED",
+            "rareObjects": [],
+            "north": "REQUIRED",
+            "objects": ["structure/flat/walled-room-1"],
+            "west": "REQUIRED",
+            "loot": {
+                "mode": "ADD",
+                "tables": [],
+                "multiplier": 1
+            },
+            "floor": "REQUIRED"
+        }
+    ],
+    "gridSize": 5,
+    "wallChance": 0.35,
+    "maxLayers": 1,
+    "name": "Flat",
+    "underwater": false,
+    "loot": {
+        "mode": "ADD",
+        "tables": [],
+        "multiplier": 1
+    },
+    "clamp": {
+        "minimumHeight": 0,
+        "maximumHeight": 255
+    },
+    "bore": true,
+    "mergeEdges": false
+}