diff --git a/bbp_ng/UTIL_bme.py b/bbp_ng/UTIL_bme.py
index 13155ef..0d93f3c 100644
--- a/bbp_ng/UTIL_bme.py
+++ b/bbp_ng/UTIL_bme.py
@@ -120,6 +120,7 @@ _g_ProgFieldGlobals: dict[str, typing.Any] = {
     # my custom matrix functions
     'move': lambda x, y, z: mathutils.Matrix.Translation((x, y, z)),
     'rot': lambda x, y, z: mathutils.Matrix.LocRotScale(None, mathutils.Euler((math.radians(x), math.radians(y), math.radians(z)), 'XYZ'), None),
+    'scale': lambda x, y, z: mathutils.Matrix.LocRotScale(None, None, (x, y, z)),
     'ident': lambda: mathutils.Matrix.Identity(4),
 }
 
diff --git a/bbp_ng/raw_icons/bme/NarrowTransition.png b/bbp_ng/raw_icons/bme/NarrowTransition.png
new file mode 100644
index 0000000..0c0408e
Binary files /dev/null and b/bbp_ng/raw_icons/bme/NarrowTransition.png differ
diff --git a/bbp_ng/raw_icons/bme/NormalLConnector.png b/bbp_ng/raw_icons/bme/NormalLCrossing.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/NormalLConnector.png
rename to bbp_ng/raw_icons/bme/NormalLCrossing.png
diff --git a/bbp_ng/raw_icons/bme/NormalTConnector.png b/bbp_ng/raw_icons/bme/NormalTCrossing.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/NormalTConnector.png
rename to bbp_ng/raw_icons/bme/NormalTCrossing.png
diff --git a/bbp_ng/raw_icons/bme/NormalCrossroad.png b/bbp_ng/raw_icons/bme/NormalXCrossing.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/NormalCrossroad.png
rename to bbp_ng/raw_icons/bme/NormalXCrossing.png
diff --git a/bbp_ng/raw_icons/bme/SinkLConnector.png b/bbp_ng/raw_icons/bme/SinkLCrossing.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/SinkLConnector.png
rename to bbp_ng/raw_icons/bme/SinkLCrossing.png
diff --git a/bbp_ng/raw_icons/bme/SinkTConnector.png b/bbp_ng/raw_icons/bme/SinkTCrossing.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/SinkTConnector.png
rename to bbp_ng/raw_icons/bme/SinkTCrossing.png
diff --git a/bbp_ng/raw_icons/bme/SinkCrossroad.png b/bbp_ng/raw_icons/bme/SinkXCrossing.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/SinkCrossroad.png
rename to bbp_ng/raw_icons/bme/SinkXCrossing.png
diff --git a/bbp_ng/raw_icons/bme/NormalSinkTransition.png b/bbp_ng/raw_icons/bme/Transition.png
similarity index 100%
rename from bbp_ng/raw_icons/bme/NormalSinkTransition.png
rename to bbp_ng/raw_icons/bme/Transition.png
diff --git a/bbp_ng/raw_jsons/crossings.json b/bbp_ng/raw_jsons/crossings.json
new file mode 100644
index 0000000..67cefed
Binary files /dev/null and b/bbp_ng/raw_jsons/crossings.json differ
diff --git a/bbp_ng/raw_jsons/sides.json b/bbp_ng/raw_jsons/sides.json
index 66c60bf..63c9bf0 100644
Binary files a/bbp_ng/raw_jsons/sides.json and b/bbp_ng/raw_jsons/sides.json differ
diff --git a/bbp_ng/raw_jsons/transitions.json b/bbp_ng/raw_jsons/transitions.json
new file mode 100644
index 0000000..15c76f7
Binary files /dev/null and b/bbp_ng/raw_jsons/transitions.json differ