diff --git a/gen_configs.py b/gen_configs.py
index cb87afd..cb654a2 100644
--- a/gen_configs.py
+++ b/gen_configs.py
@@ -1,7 +1,9 @@
+import math
+import hashlib
+
 import json
 from enum import IntEnum
 from typing import Optional, Tuple
-import math
 
 
 class Shape(IntEnum):
@@ -62,12 +64,17 @@ def __init__(self, nc, nr, cs=19, rs=19, switchHoleSize=13.97,
         self.mcu_footprint = mcu_footprint
 
     def update_name(self):
-        self.name = 'atreus_{}{}_{}'.format(
+        name = 'atreus_{}{}_{}'.format(
             2 * (self.nCols * self.nRows +
                  (len(self.thumbKeys) if self.thumbKeys else 0)),
             ('h' if self.shape == Shape.HULL else 'l') +
             ('s' if self.split else ''),
             'cnc' if self.cnc else 'print')
+        name2 = str(self.hOffset) + \
+            str(self.angle) + str(self.staggering)
+        m = hashlib.sha1()
+        m.update(name2.encode('utf-8'))
+        self.name = name + "_" + m.hexdigest()[:7]
 
 
 configs = [
@@ -90,7 +97,7 @@ def update_name(self):
     Config(6, 3, hOffset=50, angle=18.5,
            staggering=[8, 0, 5, 11, 6, 3, 2],
            thumbKeys=[(-1, -1), (0, -1), (-1, -2), (1, -1)]),
-           
+
     Config(6, 4, angle=18.5,
            staggering=[0, 5, 11, 6, 3, 2]),
 
@@ -98,6 +105,10 @@ def update_name(self):
            staggering=[0, 0, 5, 11, 6, 3, 2],
            thumbKeys=[(-1, 0), (1, -1)]),
 
+    Config(6, 4, hOffset=55, angle=15.0,
+           staggering=[-12, 0, 5, 11, 6, 3, 2],
+           thumbKeys=[(-1, 0), (-1, 1)]),
+
     # # some bigger edge case :)
     Config(10, 10, angle=18.5,
            staggering=[0, 0, 5, 11, 6, 3, 2],
diff --git a/keyboard.py b/keyboard.py
index dcadca2..53dae31 100644
--- a/keyboard.py
+++ b/keyboard.py
@@ -391,7 +391,7 @@ def generate(config: Config, odir='output', switch_mesh=False):
 if len(sys.argv) > 1:
     fn = sys.argv[-1].split(':')[-1]
 else:
-    fn = 'configs/atreus_52l_print.json'
+    fn = 'configs/atreus_52l_print_5b320d0.json'
 
 with open(fn, 'r', encoding='utf-8') as f:
     def config(): return None