diff --git a/blender_manifest_tree.toml b/blender_manifest_tree.toml
index 5c72dd6..f510515 100644
--- a/blender_manifest_tree.toml
+++ b/blender_manifest_tree.toml
@@ -1,7 +1,7 @@
 schema_version = "1.0.0"
 
 id = "stylized_tree_generator"
-version = "1.14.0"
+version = "1.15.0"
 name = "Stylized Tree Generator"
 tagline = "Parametrische Baeume, Palmen, Bueschen mit Wachstums-Stufen"
 maintainer = "D4rkst3r"
diff --git a/dist/index.json b/dist/index.json
index 1523501..2115af3 100644
--- a/dist/index.json
+++ b/dist/index.json
@@ -32,7 +32,7 @@
       "id": "stylized_tree_generator",
       "name": "Stylized Tree Generator",
       "tagline": "Parametrische Baeume, Palmen, Bueschen mit Wachstums-Stufen",
-      "version": "1.14.0",
+      "version": "1.15.0",
       "type": "add-on",
       "maintainer": "D4rkst3r",
       "license": [
@@ -48,9 +48,9 @@
         "Mesh",
         "Modeling"
       ],
-      "archive_url": "./stylized_tree_generator-1.14.0.zip",
-      "archive_size": 16133,
-      "archive_hash": "sha256:49347879e32dadc979f9ff513acf9f81cc0f0adb2d923c80a0e7e3706f910270"
+      "archive_url": "./stylized_tree_generator-1.15.0.zip",
+      "archive_size": 16221,
+      "archive_hash": "sha256:1eaec9d749ddb3996aec434c284399455cc00e164cd073e25d5218e03b3c48ee"
     }
   ]
 }
\ No newline at end of file
diff --git a/dist/stylized_tree_generator-1.14.0.zip b/dist/stylized_tree_generator-1.14.0.zip
deleted file mode 100644
index 780671c..0000000
Binary files a/dist/stylized_tree_generator-1.14.0.zip and /dev/null differ
diff --git a/dist/stylized_tree_generator-1.15.0.zip b/dist/stylized_tree_generator-1.15.0.zip
new file mode 100644
index 0000000..3b73c09
Binary files /dev/null and b/dist/stylized_tree_generator-1.15.0.zip differ
diff --git a/stylized_tree_generator.py b/stylized_tree_generator.py
index d849476..3c9f243 100644
--- a/stylized_tree_generator.py
+++ b/stylized_tree_generator.py
@@ -1,7 +1,7 @@
 bl_info = {
     "name": "Stylized Tree Generator",
     "author": "D4rkst3r",
-    "version": (1, 14, 0),
+    "version": (1, 15, 0),
     "blender": (4, 2, 0),
     "location": "View3D > Sidebar > Tree Gen",
     "description": "Parametrischer Baum-/Palmen-/Busch-Generator (Geometry Nodes) mit Wachstums-Stufen",
@@ -28,7 +28,8 @@ OBJ_NAME = "StylizedTree"
 DEFAULTS = {
     "Seed": 0,
     "Height": 5.0,
-    "Trunk Radius": 0.085,    # 5 m Baum ~17 cm Durchmesser; 0.13 wirkte staemmig
+    "Trunk Radius": 0.07,     # TreeIt-Verhaeltnis: Radius/Hoehe ~0.013
+                              # (0.079 bei 6.04 m). Bei 5 m also ~0.065-0.07.
     "Bend": 0.5,
     "Taper": 0.9,
     "Branch Count": 9,
@@ -41,7 +42,9 @@ DEFAULTS = {
     "Droop Curve": 2.0,       # 2 = weicher Bogen, 4+ = scharfer Ellbogen
     "Trunk Tip": 0.3,         # Anteil von Tip Blunt fuer die Stammspitze;
                               # klein = laeuft duenn aus, 1.0 = stumpfe Kuppe
-    "Branch Thickness": 0.32, # Ast-Dicke relativ zum Stamm
+    "Branch Thickness": 0.17, # Ast-Dicke relativ zum Stamm. Am TreeIt-Baum
+                              # gemessen: 0.008-0.013 bei Stamm 0.079 = 11-16 %.
+                              # 0.32 war doppelt zu dick -> grobe Ansaetze.
     "Branch Taper": 0.55,     # schwach verjuengen -> Roehre statt Kegel/Dorn
     "Sub Count": 2,           # Sub-Aeste je Hauptast (0 = aus)
     "Sub Start": 0.45,        # Ansatzbereich der Zweige am Ast ...
@@ -95,7 +98,7 @@ PRESETS = {
         "Branch Count": 22, "Branch Length": 1.9, "Branch Up": -0.25,
         "Branch Start": 0.12, "Branch End": 0.97,
         "Crown Taper": 0.9, "Crown Bulge": 0.0,
-        "Branch Bend": 0.3, "Branch Thickness": 0.2, "Sub Count": 1,
+        "Branch Bend": 0.3, "Branch Thickness": 0.12, "Sub Count": 1,
         "Sub Length": 0.4, "Root Flare": 0.7,
     },
     "eiche": {   # runde, breite Krone: Bauch in der Mitte, dicker Stamm
@@ -103,7 +106,7 @@ PRESETS = {
         "Branch Count": 10, "Branch Length": 2.2, "Branch Up": 0.9,
         "Branch Start": 0.3, "Branch End": 0.95,
         "Crown Taper": -0.15, "Crown Bulge": 0.5,
-        "Branch Bend": 0.9, "Branch Thickness": 0.4, "Sub Count": 3,
+        "Branch Bend": 0.9, "Branch Thickness": 0.13, "Sub Count": 3,
         "Sub Length": 0.8, "Root Flare": 1.6, "Root Lobe Depth": 1.6,
     },
     "birke": {   # schlank, hoher Ansatz, feine Zweige
@@ -119,7 +122,7 @@ PRESETS = {
         "Branch Count": 12, "Branch Length": 2.0, "Branch Up": 0.5,
         "Branch Start": 0.35, "Branch End": 0.95,
         "Crown Taper": -0.2, "Crown Bulge": 0.4,
-        "Branch Droop": 1.2, "Branch Bend": 0.7, "Branch Thickness": 0.28,
+        "Branch Droop": 1.2, "Branch Bend": 0.7, "Branch Thickness": 0.16,
         "Sub Count": 3, "Sub Length": 0.9, "Root Flare": 1.2,
     },
     "toter_baum": {  # knorrig, kaum Zweige, starke Kruemmung
@@ -127,7 +130,7 @@ PRESETS = {
         "Branch Count": 6, "Branch Length": 1.5, "Branch Up": 0.9,
         "Branch Start": 0.3, "Branch End": 0.9,
         "Crown Taper": 0.3, "Crown Bulge": 0.0,
-        "Branch Bend": 1.4, "Branch Thickness": 0.3, "Sub Count": 1,
+        "Branch Bend": 1.4, "Branch Thickness": 0.18, "Sub Count": 1,
         "Sub Length": 0.5, "Root Flare": 1.4, "Tip Blunt": 0.08,
     },
     # Kaktus: dicker, kaum verjuengter Stamm, wenige Arme, die per NEGATIVEM