diff --git a/src/main/resources/assets/lostcities/citydata/buildingparts.json b/src/main/resources/assets/lostcities/citydata/buildingparts.json
index 61328853..7ab199fe 100644
--- a/src/main/resources/assets/lostcities/citydata/buildingparts.json
+++ b/src/main/resources/assets/lostcities/citydata/buildingparts.json
@@ -167,6 +167,94 @@
       ]
     ]
   },
+  {
+    "type": "part",
+    "name": "top5_1",
+    "xsize": 16,
+    "zsize": 16,
+    "slices": [
+      [
+        "::::::::::::::::",
+        ":     F        :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        ":              :",
+        "::::::::::::::::"
+      ]
+    ]
+  },
+  {
+    "type": "part",
+    "name": "top4_3a",
+    "xsize": 16,
+    "zsize": 16,
+    "slices": [
+      [
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "         ::::   ",
+        "         :  :   ",
+        "         :  :   ",
+        "         :  :   ",
+        "         :  :   ",
+        "                ",
+        "                ",
+        "                "
+      ],
+      [
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "         ::::   ",
+        "         :  :   ",
+        "         :  :   ",
+        "         :  :   ",
+        "         :  :   ",
+        "                ",
+        "                ",
+        "                "
+      ],
+      [
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "                ",
+        "         ____   ",
+        "         ____   ",
+        "         ____   ",
+        "         ____   ",
+        "         ____   ",
+        "                ",
+        "                ",
+        "                "
+      ]
+    ]
+  },
   {
     "type": "part",
     "name": "building4_1",