diff --git a/mechanical/heatsink-nema-14.step b/mechanical/heatsink-nema-14.step
index be5337f..46c5702 100644
--- a/mechanical/heatsink-nema-14.step
+++ b/mechanical/heatsink-nema-14.step
@@ -1,7 +1,7 @@
 ISO-10303-21;
 HEADER;
 FILE_DESCRIPTION(('FreeCAD Model'),'2;1');
-FILE_NAME('Open CASCADE Shape Model','2023-11-13T13:27:19',('Author'),(
+FILE_NAME('Open CASCADE Shape Model','2023-11-14T14:06:01',('Author'),(
     ''),'Open CASCADE STEP processor 7.5','FreeCAD','Unknown');
 FILE_SCHEMA(('AUTOMOTIVE_DESIGN { 1 0 10303 214 1 1 1 1 }'));
 ENDSEC;
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 #649 = PLANE('',#650);
 #650 = AXIS2_PLACEMENT_3D('',#651,#652,#653);
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 #663 = VECTOR('',#664,1.);
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 #796 = ORIENTED_EDGE('',*,*,#797,.T.);
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@@ -910,8 +909,8 @@ DATA;
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 #890 = VERTEX_POINT('',#891);
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 #897 = EDGE_CURVE('',#898,#890,#900,.T.);
 #898 = VERTEX_POINT('',#899);
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@@ -936,7 +935,7 @@ DATA;
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@@ -944,8 +943,8 @@ DATA;
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-#921 = DIRECTION('',(1.,-2.069242600986E-64,-1.832884061215E-32));
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@@ -1029,8 +1028,8 @@ DATA;
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-#1006 = DIRECTION('',(1.,-2.069242600986E-64,-1.832884061215E-32));
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@@ -1038,7 +1037,7 @@ DATA;
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@@ -1046,8 +1045,8 @@ DATA;
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@@ -1055,7 +1054,7 @@ DATA;
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@@ -1063,8 +1062,8 @@ DATA;
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@@ -1097,8 +1096,8 @@ DATA;
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@@ -1106,7 +1105,7 @@ DATA;
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@@ -1165,8 +1164,8 @@ DATA;
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@@ -1174,15 +1173,15 @@ DATA;
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@@ -1373,20 +1372,20 @@ DATA;
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@@ -1397,21 +1396,21 @@ DATA;
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@@ -2128,21 +2121,21 @@ DATA;
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-#2824 = DIRECTION('',(-1.,2.069242600986E-64,1.832884061215E-32));
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@@ -2867,21 +2860,21 @@ DATA;
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-#2842 = DIRECTION('',(1.,-2.069242600986E-64,-1.832884061215E-32));
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@@ -2974,21 +2967,21 @@ DATA;
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-#2985 = DIRECTION('',(1.,-2.069242600986E-64,-1.832884061215E-32));
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@@ -3031,8 +3024,8 @@ DATA;
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@@ -3051,8 +3044,8 @@ DATA;
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@@ -3152,20 +3145,20 @@ DATA;
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@@ -3174,7 +3167,7 @@ DATA;
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@@ -3186,14 +3179,14 @@ DATA;
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@@ -3203,14 +3196,14 @@ DATA;
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+#3177 = DIRECTION('',(0.,0.,1.));
+#3178 = DIRECTION('',(1.,0.,0.));
 #3179 = ( GEOMETRIC_REPRESENTATION_CONTEXT(3) 
 GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#3183)) 
 GLOBAL_UNIT_ASSIGNED_CONTEXT((#3180,#3181,#3182)) REPRESENTATION_CONTEXT
diff --git a/mechanical/heatsink-nema-14.stl b/mechanical/heatsink-nema-14.stl
index 5ef19db..762f4b2 100644
Binary files a/mechanical/heatsink-nema-14.stl and b/mechanical/heatsink-nema-14.stl differ
diff --git a/mechanical/heatsink.FCStd b/mechanical/heatsink.FCStd
index 17bd34e..9d11656 100644
Binary files a/mechanical/heatsink.FCStd and b/mechanical/heatsink.FCStd differ