diff --git a/lib/plant.py b/lib/plant.py
index ea0818a..1e0a616 100644
--- a/lib/plant.py
+++ b/lib/plant.py
@@ -640,10 +640,20 @@ class Anlage():
 
             pfade["kabel"].append(ld)
 
-        pfade["rack_lengths"] = {
-            rname: round(length, 1) 
-            for rname, length in self._rack_lengths.items()
+        pfade["rack_geometry"] = {
+            rname: {
+                "length": round(length, 1),
+                "coordinates": [
+                    {
+                        "x": round(p.x, 1),
+                        "y": round(p.y, 1),
+                        "z": round(p.z if shapely.has_z(p) else 0.0, 1)
+                    }
+                    for p in self.get_points_from_rack(rname)
+                ]
             }
+            for rname, length in self._rack_lengths.items()
+        }
         
         pfade["errors_routing"] = dict() 
         lOfDistErrors = list()   # sammeln wo keine Verbindung zwischen Dist und Senor möglich war