diff --git a/Resources/Prototypes/Decals/Overlays/grayscale.yml b/Resources/Prototypes/Decals/Overlays/grayscale.yml
index 8d21eac5e8..3ee6743e0a 100644
--- a/Resources/Prototypes/Decals/Overlays/grayscale.yml
+++ b/Resources/Prototypes/Decals/Overlays/grayscale.yml
@@ -61,6 +61,34 @@
     sprite: Decals/Overlays/greyscale.rsi
     state: quartertile_overlay_270
 
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay
+
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale90
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay_90
+
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale180
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay_180
+
+- type: decal
+  id: ThreeQuarterTileOverlayGreyscale270
+  tags: ["station", "overlay"]
+  sprite:
+    sprite: Decals/Overlays/greyscale.rsi
+    state: threequartertile_overlay_270
+
 - type: decal
   id: CheckerNESW
   tags: ["station", "overlay"]
diff --git a/Resources/Textures/Decals/Overlays/greyscale.rsi/meta.json b/Resources/Textures/Decals/Overlays/greyscale.rsi/meta.json
index 3823a28a1a..e626a3becd 100644
--- a/Resources/Textures/Decals/Overlays/greyscale.rsi/meta.json
+++ b/Resources/Textures/Decals/Overlays/greyscale.rsi/meta.json
@@ -34,6 +34,18 @@
     {
       "name": "quartertile_overlay_270"
     },
+    {
+      "name": "threequartertile_overlay"
+    },
+    {
+      "name": "threequartertile_overlay_90"
+    },
+    {
+      "name": "threequartertile_overlay_180"
+    },
+    {
+      "name": "threequartertile_overlay_270"
+    },
     {
       "name": "checkerNESW"
     },
diff --git a/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay.png b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay.png
new file mode 100644
index 0000000000..92ad2abb4e
Binary files /dev/null and b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay.png differ
diff --git a/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_180.png b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_180.png
new file mode 100644
index 0000000000..ab561dd314
Binary files /dev/null and b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_180.png differ
diff --git a/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_270.png b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_270.png
new file mode 100644
index 0000000000..a1f87575d8
Binary files /dev/null and b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_270.png differ
diff --git a/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_90.png b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_90.png
new file mode 100644
index 0000000000..e22d4bc88f
Binary files /dev/null and b/Resources/Textures/Decals/Overlays/greyscale.rsi/threequartertile_overlay_90.png differ