diff --git a/io_scene_fbx/fbx_utils.py b/io_scene_fbx/fbx_utils.py
index d661cea234791242767836d43e05d01c5b7ff9bb..b751025c0c9a09aff79f40e3aea74ca2d8a0e1ec 100644
--- a/io_scene_fbx/fbx_utils.py
+++ b/io_scene_fbx/fbx_utils.py
@@ -100,31 +100,30 @@ FBX_LIGHT_DECAY_TYPES = {
 
 RIGHT_HAND_AXES = {
     # Up, Front -> FBX values (tuples of (axis, sign), Up, Front, Coord).
-    # Note: Since we always stay in right-handed system, third coord sign is always positive!
-    ('X',  'Y'):  ((0, 1),  (1, -1),  (2, 1)),
-    ('X',  '-Y'): ((0, 1),  (1, 1), (2, 1)),
-    ('X',  'Z'):  ((0, 1),  (2, -1),  (1, 1)),
-    ('X',  '-Z'): ((0, 1),  (2, 1), (1, 1)),
-    ('-X', 'Y'):  ((0, -1), (1, -1),  (2, 1)),
-    ('-X', '-Y'): ((0, -1), (1, 1), (2, 1)),
-    ('-X', 'Z'):  ((0, -1), (2, -1),  (1, 1)),
-    ('-X', '-Z'): ((0, -1), (2, 1), (1, 1)),
-    ('Y',  'X'):  ((1, 1),  (0, -1),  (2, 1)),
-    ('Y',  '-X'): ((1, 1),  (0, 1), (2, 1)),
-    ('Y',  'Z'):  ((1, 1),  (2, -1),  (0, 1)),
-    ('Y',  '-Z'): ((1, 1),  (2, 1), (0, 1)),
-    ('-Y', 'X'):  ((1, -1), (0, -1),  (2, 1)),
-    ('-Y', '-X'): ((1, -1), (0, 1), (2, 1)),
-    ('-Y', 'Z'):  ((1, -1), (2, -1),  (0, 1)),
-    ('-Y', '-Z'): ((1, -1), (2, 1), (0, 1)),
-    ('Z',  'X'):  ((2, 1),  (0, -1),  (1, 1)),
-    ('Z',  '-X'): ((2, 1),  (0, 1), (1, 1)),
-    ('Z',  'Y'):  ((2, 1),  (1, -1),  (0, 1)),  # Blender system!
-    ('Z',  '-Y'): ((2, 1),  (1, 1), (0, 1)),
-    ('-Z', 'X'):  ((2, -1), (0, -1),  (1, 1)),
-    ('-Z', '-X'): ((2, -1), (0, 1), (1, 1)),
-    ('-Z', 'Y'):  ((2, -1), (1, -1),  (0, 1)),
-    ('-Z', '-Y'): ((2, -1), (1, 1), (0, 1)),
+    ('X',  'Y'):  ((0, 1),  (1, 1),  (2, 1)),
+    ('X',  '-Y'): ((0, 1),  (1, -1), (2, -1)),
+    ('X',  'Z'):  ((0, 1),  (2, 1),  (1, -1)),
+    ('X',  '-Z'): ((0, 1),  (2, -1), (1, 1)),
+    ('-X', 'Y'):  ((0, -1), (1, 1),  (2, -1)),
+    ('-X', '-Y'): ((0, -1), (1, -1), (2, 1)),
+    ('-X', 'Z'):  ((0, -1), (2, 1),  (1, 1)),
+    ('-X', '-Z'): ((0, -1), (2, -1), (1, -1)),
+    ('Y',  'X'):  ((1, 1),  (0, 1),  (2, -1)),
+    ('Y',  '-X'): ((1, 1),  (0, -1), (2, 1)),
+    ('Y',  'Z'):  ((1, 1),  (2, 1),  (0, 1)),
+    ('Y',  '-Z'): ((1, 1),  (2, -1), (0, -1)),
+    ('-Y', 'X'):  ((1, -1), (0, 1),  (2, 1)),
+    ('-Y', '-X'): ((1, -1), (0, -1), (2, -1)),
+    ('-Y', 'Z'):  ((1, -1), (2, 1),  (0, -1)),
+    ('-Y', '-Z'): ((1, -1), (2, -1), (0, 1)),
+    ('Z',  'X'):  ((2, 1),  (0, 1),  (1, 1)),
+    ('Z',  '-X'): ((2, 1),  (0, -1), (1, -1)),
+    ('Z',  'Y'):  ((2, 1),  (1, 1),  (0, -1)),
+    ('Z',  '-Y'): ((2, 1),  (1, -1), (0, 1)),  # Blender system!
+    ('-Z', 'X'):  ((2, -1), (0, 1),  (1, -1)),
+    ('-Z', '-X'): ((2, -1), (0, -1), (1, 1)),
+    ('-Z', 'Y'):  ((2, -1), (1, 1),  (0, 1)),
+    ('-Z', '-Y'): ((2, -1), (1, -1), (0, -1)),
 }
 
 
diff --git a/io_scene_fbx_experimental/fbx_utils.py b/io_scene_fbx_experimental/fbx_utils.py
index f0eeca03153b57244d619105813a75ffd382674f..369d9ab46e846322108859e659a4e733109a51ac 100644
--- a/io_scene_fbx_experimental/fbx_utils.py
+++ b/io_scene_fbx_experimental/fbx_utils.py
@@ -100,31 +100,30 @@ FBX_LIGHT_DECAY_TYPES = {
 
 RIGHT_HAND_AXES = {
     # Up, Front -> FBX values (tuples of (axis, sign), Up, Front, Coord).
-    # Note: Since we always stay in right-handed system, third coord sign is always positive!
-    ('X',  'Y'):  ((0, 1),  (1, -1),  (2, 1)),
-    ('X',  '-Y'): ((0, 1),  (1, 1), (2, 1)),
-    ('X',  'Z'):  ((0, 1),  (2, -1),  (1, 1)),
-    ('X',  '-Z'): ((0, 1),  (2, 1), (1, 1)),
-    ('-X', 'Y'):  ((0, -1), (1, -1),  (2, 1)),
-    ('-X', '-Y'): ((0, -1), (1, 1), (2, 1)),
-    ('-X', 'Z'):  ((0, -1), (2, -1),  (1, 1)),
-    ('-X', '-Z'): ((0, -1), (2, 1), (1, 1)),
-    ('Y',  'X'):  ((1, 1),  (0, -1),  (2, 1)),
-    ('Y',  '-X'): ((1, 1),  (0, 1), (2, 1)),
-    ('Y',  'Z'):  ((1, 1),  (2, -1),  (0, 1)),
-    ('Y',  '-Z'): ((1, 1),  (2, 1), (0, 1)),
-    ('-Y', 'X'):  ((1, -1), (0, -1),  (2, 1)),
-    ('-Y', '-X'): ((1, -1), (0, 1), (2, 1)),
-    ('-Y', 'Z'):  ((1, -1), (2, -1),  (0, 1)),
-    ('-Y', '-Z'): ((1, -1), (2, 1), (0, 1)),
-    ('Z',  'X'):  ((2, 1),  (0, -1),  (1, 1)),
-    ('Z',  '-X'): ((2, 1),  (0, 1), (1, 1)),
-    ('Z',  'Y'):  ((2, 1),  (1, -1),  (0, 1)),  # Blender system!
-    ('Z',  '-Y'): ((2, 1),  (1, 1), (0, 1)),
-    ('-Z', 'X'):  ((2, -1), (0, -1),  (1, 1)),
-    ('-Z', '-X'): ((2, -1), (0, 1), (1, 1)),
-    ('-Z', 'Y'):  ((2, -1), (1, -1),  (0, 1)),
-    ('-Z', '-Y'): ((2, -1), (1, 1), (0, 1)),
+    ('X',  'Y'):  ((0, 1),  (1, 1),  (2, 1)),
+    ('X',  '-Y'): ((0, 1),  (1, -1), (2, -1)),
+    ('X',  'Z'):  ((0, 1),  (2, 1),  (1, -1)),
+    ('X',  '-Z'): ((0, 1),  (2, -1), (1, 1)),
+    ('-X', 'Y'):  ((0, -1), (1, 1),  (2, -1)),
+    ('-X', '-Y'): ((0, -1), (1, -1), (2, 1)),
+    ('-X', 'Z'):  ((0, -1), (2, 1),  (1, 1)),
+    ('-X', '-Z'): ((0, -1), (2, -1), (1, -1)),
+    ('Y',  'X'):  ((1, 1),  (0, 1),  (2, -1)),
+    ('Y',  '-X'): ((1, 1),  (0, -1), (2, 1)),
+    ('Y',  'Z'):  ((1, 1),  (2, 1),  (0, 1)),
+    ('Y',  '-Z'): ((1, 1),  (2, -1), (0, -1)),
+    ('-Y', 'X'):  ((1, -1), (0, 1),  (2, 1)),
+    ('-Y', '-X'): ((1, -1), (0, -1), (2, -1)),
+    ('-Y', 'Z'):  ((1, -1), (2, 1),  (0, -1)),
+    ('-Y', '-Z'): ((1, -1), (2, -1), (0, 1)),
+    ('Z',  'X'):  ((2, 1),  (0, 1),  (1, 1)),
+    ('Z',  '-X'): ((2, 1),  (0, -1), (1, -1)),
+    ('Z',  'Y'):  ((2, 1),  (1, 1),  (0, -1)),
+    ('Z',  '-Y'): ((2, 1),  (1, -1), (0, 1)),  # Blender system!
+    ('-Z', 'X'):  ((2, -1), (0, 1),  (1, -1)),
+    ('-Z', '-X'): ((2, -1), (0, -1), (1, 1)),
+    ('-Z', 'Y'):  ((2, -1), (1, 1),  (0, 1)),
+    ('-Z', '-Y'): ((2, -1), (1, -1), (0, -1)),
 }