Rigify: updated naming schemes for control bones.

This required changes to both the default human metarig and some of
the rig types.  This updates the naming scheme to match new
best-practices, as per the CGCookie Flexrig.

10 files changed, 145 insertions, 161 deletions

diff --git a/rigify/metarigs/human.py b/rigify/metarigs/human.py
index 6cc92f3b..3eafc988 100644
--- a/rigify/metarigs/human.py
+++ b/rigify/metarigs/human.py
@@ -83,13 +83,13 @@ def create(obj):
     bone.use_connect = False
     bone.parent = arm.edit_bones[bones['hips']]
     bones['thigh.R'] = bone.name
-    bone = arm.edit_bones.new('ribs')
+    bone = arm.edit_bones.new('chest')
     bone.head[:] = 0.0000, 0.0004, 1.3418
     bone.tail[:] = 0.0000, 0.0114, 1.6582
     bone.roll = 0.0000
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['spine']]
-    bones['ribs'] = bone.name
+    bones['chest'] = bone.name
     bone = arm.edit_bones.new('shin.L')
     bone.head[:] = 0.0980, -0.0286, 0.5372
     bone.tail[:] = 0.0980, 0.0162, 0.0852
@@ -109,21 +109,21 @@ def create(obj):
     bone.tail[:] = 0.0000, -0.0247, 1.7813
     bone.roll = 0.0000
     bone.use_connect = False
-    bone.parent = arm.edit_bones[bones['ribs']]
+    bone.parent = arm.edit_bones[bones['chest']]
     bones['neck'] = bone.name
     bone = arm.edit_bones.new('shoulder.L')
     bone.head[:] = 0.0183, -0.0684, 1.6051
     bone.tail[:] = 0.1694, 0.0205, 1.6050
     bone.roll = 0.0004
     bone.use_connect = False
-    bone.parent = arm.edit_bones[bones['ribs']]
+    bone.parent = arm.edit_bones[bones['chest']]
     bones['shoulder.L'] = bone.name
     bone = arm.edit_bones.new('shoulder.R')
     bone.head[:] = -0.0183, -0.0684, 1.6051
     bone.tail[:] = -0.1694, 0.0205, 1.6050
     bone.roll = -0.0004
     bone.use_connect = False
-    bone.parent = arm.edit_bones[bones['ribs']]
+    bone.parent = arm.edit_bones[bones['chest']]
     bones['shoulder.R'] = bone.name
     bone = arm.edit_bones.new('foot.L')
     bone.head[:] = 0.0980, 0.0162, 0.0852
@@ -286,13 +286,13 @@ def create(obj):
     bone.use_connect = False
     bone.parent = arm.edit_bones[bones['hand.R']]
     bones['palm.04.R'] = bone.name
-    bone = arm.edit_bones.new('finger_index.01.L')
+    bone = arm.edit_bones.new('f_index.01.L')
     bone.head[:] = 0.7464, 0.0051, 1.2482
     bone.tail[:] = 0.7718, 0.0013, 1.2112
     bone.roll = -2.0315
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.01.L']]
-    bones['finger_index.01.L'] = bone.name
+    bones['f_index.01.L'] = bone.name
     bone = arm.edit_bones.new('thumb.01.L')
     bone.head[:] = 0.6705, 0.0214, 1.2738
     bone.tail[:] = 0.6857, 0.0015, 1.2404
@@ -300,34 +300,34 @@ def create(obj):
     bone.use_connect = False
     bone.parent = arm.edit_bones[bones['palm.01.L']]
     bones['thumb.01.L'] = bone.name
-    bone = arm.edit_bones.new('finger_middle.01.L')
+    bone = arm.edit_bones.new('f_middle.01.L')
     bone.head[:] = 0.7518, 0.0277, 1.2487
     bone.tail[:] = 0.7762, 0.0234, 1.2058
     bone.roll = -2.0067
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.02.L']]
-    bones['finger_middle.01.L'] = bone.name
-    bone = arm.edit_bones.new('finger_ring.01.L')
+    bones['f_middle.01.L'] = bone.name
+    bone = arm.edit_bones.new('f_ring.01.L')
     bone.head[:] = 0.7540, 0.0521, 1.2482
     bone.tail[:] = 0.7715, 0.0499, 1.2070
     bone.roll = -2.0082
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.03.L']]
-    bones['finger_ring.01.L'] = bone.name
-    bone = arm.edit_bones.new('finger_pinky.01.L')
+    bones['f_ring.01.L'] = bone.name
+    bone = arm.edit_bones.new('f_pinky.01.L')
     bone.head[:] = 0.7528, 0.0763, 1.2428
     bone.tail[:] = 0.7589, 0.0765, 1.2156
     bone.roll = -1.9749
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.04.L']]
-    bones['finger_pinky.01.L'] = bone.name
-    bone = arm.edit_bones.new('finger_index.01.R')
+    bones['f_pinky.01.L'] = bone.name
+    bone = arm.edit_bones.new('f_index.01.R')
     bone.head[:] = -0.7464, 0.0051, 1.2482
     bone.tail[:] = -0.7718, 0.0012, 1.2112
     bone.roll = 2.0315
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.01.R']]
-    bones['finger_index.01.R'] = bone.name
+    bones['f_index.01.R'] = bone.name
     bone = arm.edit_bones.new('thumb.01.R')
     bone.head[:] = -0.6705, 0.0214, 1.2738
     bone.tail[:] = -0.6857, 0.0015, 1.2404
@@ -335,34 +335,34 @@ def create(obj):
     bone.use_connect = False
     bone.parent = arm.edit_bones[bones['palm.01.R']]
     bones['thumb.01.R'] = bone.name
-    bone = arm.edit_bones.new('finger_middle.01.R')
+    bone = arm.edit_bones.new('f_middle.01.R')
     bone.head[:] = -0.7518, 0.0277, 1.2487
     bone.tail[:] = -0.7762, 0.0233, 1.2058
     bone.roll = 2.0067
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.02.R']]
-    bones['finger_middle.01.R'] = bone.name
-    bone = arm.edit_bones.new('finger_ring.01.R')
+    bones['f_middle.01.R'] = bone.name
+    bone = arm.edit_bones.new('f_ring.01.R')
     bone.head[:] = -0.7540, 0.0521, 1.2482
     bone.tail[:] = -0.7715, 0.0499, 1.2070
     bone.roll = 2.0082
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.03.R']]
-    bones['finger_ring.01.R'] = bone.name
-    bone = arm.edit_bones.new('finger_pinky.01.R')
+    bones['f_ring.01.R'] = bone.name
+    bone = arm.edit_bones.new('f_pinky.01.R')
     bone.head[:] = -0.7528, 0.0763, 1.2428
     bone.tail[:] = -0.7589, 0.0765, 1.2156
     bone.roll = 1.9749
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['palm.04.R']]
-    bones['finger_pinky.01.R'] = bone.name
-    bone = arm.edit_bones.new('finger_index.02.L')
+    bones['f_pinky.01.R'] = bone.name
+    bone = arm.edit_bones.new('f_index.02.L')
     bone.head[:] = 0.7718, 0.0013, 1.2112
     bone.tail[:] = 0.7840, -0.0003, 1.1858
     bone.roll = -1.8799
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_index.01.L']]
-    bones['finger_index.02.L'] = bone.name
+    bone.parent = arm.edit_bones[bones['f_index.01.L']]
+    bones['f_index.02.L'] = bone.name
     bone = arm.edit_bones.new('thumb.02.L')
     bone.head[:] = 0.6857, 0.0015, 1.2404
     bone.tail[:] = 0.7056, -0.0057, 1.2145
@@ -370,34 +370,34 @@ def create(obj):
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['thumb.01.L']]
     bones['thumb.02.L'] = bone.name
-    bone = arm.edit_bones.new('finger_middle.02.L')
+    bone = arm.edit_bones.new('f_middle.02.L')
     bone.head[:] = 0.7762, 0.0234, 1.2058
     bone.tail[:] = 0.7851, 0.0218, 1.1749
     bone.roll = -1.8283
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_middle.01.L']]
-    bones['finger_middle.02.L'] = bone.name
-    bone = arm.edit_bones.new('finger_ring.02.L')
+    bone.parent = arm.edit_bones[bones['f_middle.01.L']]
+    bones['f_middle.02.L'] = bone.name
+    bone = arm.edit_bones.new('f_ring.02.L')
     bone.head[:] = 0.7715, 0.0499, 1.2070
     bone.tail[:] = 0.7794, 0.0494, 1.1762
     bone.roll = -1.8946
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_ring.01.L']]
-    bones['finger_ring.02.L'] = bone.name
-    bone = arm.edit_bones.new('finger_pinky.02.L')
+    bone.parent = arm.edit_bones[bones['f_ring.01.L']]
+    bones['f_ring.02.L'] = bone.name
+    bone = arm.edit_bones.new('f_pinky.02.L')
     bone.head[:] = 0.7589, 0.0765, 1.2156
     bone.tail[:] = 0.7618, 0.0770, 1.1932
     bone.roll = -1.9059
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_pinky.01.L']]
-    bones['finger_pinky.02.L'] = bone.name
-    bone = arm.edit_bones.new('finger_index.02.R')
+    bone.parent = arm.edit_bones[bones['f_pinky.01.L']]
+    bones['f_pinky.02.L'] = bone.name
+    bone = arm.edit_bones.new('f_index.02.R')
     bone.head[:] = -0.7718, 0.0012, 1.2112
     bone.tail[:] = -0.7840, -0.0003, 1.1858
     bone.roll = 1.8799
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_index.01.R']]
-    bones['finger_index.02.R'] = bone.name
+    bone.parent = arm.edit_bones[bones['f_index.01.R']]
+    bones['f_index.02.R'] = bone.name
     bone = arm.edit_bones.new('thumb.02.R')
     bone.head[:] = -0.6857, 0.0015, 1.2404
     bone.tail[:] = -0.7056, -0.0057, 1.2145
@@ -405,34 +405,34 @@ def create(obj):
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['thumb.01.R']]
     bones['thumb.02.R'] = bone.name
-    bone = arm.edit_bones.new('finger_middle.02.R')
+    bone = arm.edit_bones.new('f_middle.02.R')
     bone.head[:] = -0.7762, 0.0233, 1.2058
     bone.tail[:] = -0.7851, 0.0218, 1.1749
     bone.roll = 1.8283
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_middle.01.R']]
-    bones['finger_middle.02.R'] = bone.name
-    bone = arm.edit_bones.new('finger_ring.02.R')
+    bone.parent = arm.edit_bones[bones['f_middle.01.R']]
+    bones['f_middle.02.R'] = bone.name
+    bone = arm.edit_bones.new('f_ring.02.R')
     bone.head[:] = -0.7715, 0.0499, 1.2070
     bone.tail[:] = -0.7794, 0.0494, 1.1762
     bone.roll = 1.8946
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_ring.01.R']]
-    bones['finger_ring.02.R'] = bone.name
-    bone = arm.edit_bones.new('finger_pinky.02.R')
+    bone.parent = arm.edit_bones[bones['f_ring.01.R']]
+    bones['f_ring.02.R'] = bone.name
+    bone = arm.edit_bones.new('f_pinky.02.R')
     bone.head[:] = -0.7589, 0.0765, 1.2156
     bone.tail[:] = -0.7618, 0.0770, 1.1932
     bone.roll = 1.9059
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_pinky.01.R']]
-    bones['finger_pinky.02.R'] = bone.name
-    bone = arm.edit_bones.new('finger_index.03.L')
+    bone.parent = arm.edit_bones[bones['f_pinky.01.R']]
+    bones['f_pinky.02.R'] = bone.name
+    bone = arm.edit_bones.new('f_index.03.L')
     bone.head[:] = 0.7840, -0.0003, 1.1858
     bone.tail[:] = 0.7892, 0.0006, 1.1636
     bone.roll = -1.6760
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_index.02.L']]
-    bones['finger_index.03.L'] = bone.name
+    bone.parent = arm.edit_bones[bones['f_index.02.L']]
+    bones['f_index.03.L'] = bone.name
     bone = arm.edit_bones.new('thumb.03.L')
     bone.head[:] = 0.7056, -0.0057, 1.2145
     bone.tail[:] = 0.7194, -0.0098, 1.1995
@@ -440,34 +440,34 @@ def create(obj):
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['thumb.02.L']]
     bones['thumb.03.L'] = bone.name
-    bone = arm.edit_bones.new('finger_middle.03.L')
+    bone = arm.edit_bones.new('f_middle.03.L')
     bone.head[:] = 0.7851, 0.0218, 1.1749
     bone.tail[:] = 0.7888, 0.0216, 1.1525
     bone.roll = -1.7483
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_middle.02.L']]
-    bones['finger_middle.03.L'] = bone.name
-    bone = arm.edit_bones.new('finger_ring.03.L')
+    bone.parent = arm.edit_bones[bones['f_middle.02.L']]
+    bones['f_middle.03.L'] = bone.name
+    bone = arm.edit_bones.new('f_ring.03.L')
     bone.head[:] = 0.7794, 0.0494, 1.1762
     bone.tail[:] = 0.7781, 0.0498, 1.1577
     bone.roll = -1.6582
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_ring.02.L']]
-    bones['finger_ring.03.L'] = bone.name
-    bone = arm.edit_bones.new('finger_pinky.03.L')
+    bone.parent = arm.edit_bones[bones['f_ring.02.L']]
+    bones['f_ring.03.L'] = bone.name
+    bone = arm.edit_bones.new('f_pinky.03.L')
     bone.head[:] = 0.7618, 0.0770, 1.1932
     bone.tail[:] = 0.7611, 0.0772, 1.1782
     bone.roll = -1.7639
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_pinky.02.L']]
-    bones['finger_pinky.03.L'] = bone.name
-    bone = arm.edit_bones.new('finger_index.03.R')
+    bone.parent = arm.edit_bones[bones['f_pinky.02.L']]
+    bones['f_pinky.03.L'] = bone.name
+    bone = arm.edit_bones.new('f_index.03.R')
     bone.head[:] = -0.7840, -0.0003, 1.1858
     bone.tail[:] = -0.7892, 0.0006, 1.1636
     bone.roll = 1.6760
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_index.02.R']]
-    bones['finger_index.03.R'] = bone.name
+    bone.parent = arm.edit_bones[bones['f_index.02.R']]
+    bones['f_index.03.R'] = bone.name
     bone = arm.edit_bones.new('thumb.03.R')
     bone.head[:] = -0.7056, -0.0057, 1.2145
     bone.tail[:] = -0.7194, -0.0098, 1.1995
@@ -475,27 +475,27 @@ def create(obj):
     bone.use_connect = True
     bone.parent = arm.edit_bones[bones['thumb.02.R']]
     bones['thumb.03.R'] = bone.name
-    bone = arm.edit_bones.new('finger_middle.03.R')
+    bone = arm.edit_bones.new('f_middle.03.R')
     bone.head[:] = -0.7851, 0.0218, 1.1749
     bone.tail[:] = -0.7888, 0.0216, 1.1525
     bone.roll = 1.7483
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_middle.02.R']]
-    bones['finger_middle.03.R'] = bone.name
-    bone = arm.edit_bones.new('finger_ring.03.R')
+    bone.parent = arm.edit_bones[bones['f_middle.02.R']]
+    bones['f_middle.03.R'] = bone.name
+    bone = arm.edit_bones.new('f_ring.03.R')
     bone.head[:] = -0.7794, 0.0494, 1.1762
     bone.tail[:] = -0.7781, 0.0498, 1.1577
     bone.roll = 1.6582
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_ring.02.R']]
-    bones['finger_ring.03.R'] = bone.name
-    bone = arm.edit_bones.new('finger_pinky.03.R')
+    bone.parent = arm.edit_bones[bones['f_ring.02.R']]
+    bones['f_ring.03.R'] = bone.name
+    bone = arm.edit_bones.new('f_pinky.03.R')
     bone.head[:] = -0.7618, 0.0770, 1.1932
     bone.tail[:] = -0.7611, 0.0772, 1.1782
     bone.roll = 1.7639
     bone.use_connect = True
-    bone.parent = arm.edit_bones[bones['finger_pinky.02.R']]
-    bones['finger_pinky.03.R'] = bone.name
+    bone.parent = arm.edit_bones[bones['f_pinky.02.R']]
+    bones['f_pinky.03.R'] = bone.name
 
     bpy.ops.object.mode_set(mode='OBJECT')
     pbone = obj.pose.bones[bones['hips']]
@@ -547,7 +547,7 @@ def create(obj):
         pbone.rigify_parameters.ik_layers = [False, False, False, False, False, False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['ribs']]
+    pbone = obj.pose.bones[bones['chest']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -795,7 +795,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'YXZ'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_index.01.L']]
+    pbone = obj.pose.bones[bones['f_index.01.L']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -827,7 +827,7 @@ def create(obj):
         pbone.rigify_parameters.separate_extra_layers = True
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_middle.01.L']]
+    pbone = obj.pose.bones[bones['f_middle.01.L']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -843,7 +843,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_ring.01.L']]
+    pbone = obj.pose.bones[bones['f_ring.01.L']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -860,7 +860,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_pinky.01.L']]
+    pbone = obj.pose.bones[bones['f_pinky.01.L']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -877,7 +877,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_index.01.R']]
+    pbone = obj.pose.bones[bones['f_index.01.R']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -909,7 +909,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_middle.01.R']]
+    pbone = obj.pose.bones[bones['f_middle.01.R']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -925,7 +925,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_ring.01.R']]
+    pbone = obj.pose.bones[bones['f_ring.01.R']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -941,7 +941,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_pinky.01.R']]
+    pbone = obj.pose.bones[bones['f_pinky.01.R']]
     pbone.rigify_type = 'finger'
     pbone.lock_location = (True, True, True)
     pbone.lock_rotation = (False, False, False)
@@ -957,7 +957,7 @@ def create(obj):
         pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
     except AttributeError:
         pass
-    pbone = obj.pose.bones[bones['finger_index.02.L']]
+    pbone = obj.pose.bones[bones['f_index.02.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -973,7 +973,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_middle.02.L']]
+    pbone = obj.pose.bones[bones['f_middle.02.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -981,7 +981,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_ring.02.L']]
+    pbone = obj.pose.bones[bones['f_ring.02.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -989,7 +989,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_pinky.02.L']]
+    pbone = obj.pose.bones[bones['f_pinky.02.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -997,7 +997,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_index.02.R']]
+    pbone = obj.pose.bones[bones['f_index.02.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1013,7 +1013,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_middle.02.R']]
+    pbone = obj.pose.bones[bones['f_middle.02.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1021,7 +1021,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_ring.02.R']]
+    pbone = obj.pose.bones[bones['f_ring.02.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1029,7 +1029,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_pinky.02.R']]
+    pbone = obj.pose.bones[bones['f_pinky.02.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1037,7 +1037,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_index.03.L']]
+    pbone = obj.pose.bones[bones['f_index.03.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1053,7 +1053,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_middle.03.L']]
+    pbone = obj.pose.bones[bones['f_middle.03.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1061,7 +1061,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_ring.03.L']]
+    pbone = obj.pose.bones[bones['f_ring.03.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1069,7 +1069,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_pinky.03.L']]
+    pbone = obj.pose.bones[bones['f_pinky.03.L']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1077,7 +1077,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_index.03.R']]
+    pbone = obj.pose.bones[bones['f_index.03.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1093,7 +1093,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_middle.03.R']]
+    pbone = obj.pose.bones[bones['f_middle.03.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1101,7 +1101,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_ring.03.R']]
+    pbone = obj.pose.bones[bones['f_ring.03.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
@@ -1109,7 +1109,7 @@ def create(obj):
     pbone.lock_scale = (False, False, False)
     pbone.rotation_mode = 'QUATERNION'
     pbone.bone.layers = [False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
-    pbone = obj.pose.bones[bones['finger_pinky.03.R']]
+    pbone = obj.pose.bones[bones['f_pinky.03.R']]
     pbone.rigify_type = ''
     pbone.lock_location = (False, False, False)
     pbone.lock_rotation = (False, False, False)
diff --git a/rigify/rigs/biped/arm/__init__.py b/rigify/rigs/biped/arm/__init__.py
index 41fe1f71..9cdf31ab 100644
--- a/rigify/rigs/biped/arm/__init__.py
+++ b/rigify/rigs/biped/arm/__init__.py
@@ -98,6 +98,7 @@ class Rig:
         params.primary_rotation_axis = bpy.props.EnumProperty(items=items, name="Primary Rotation Axis", default='X')
 
         params.bend_hint = bpy.props.BoolProperty(name="Bend Hint", default=True, description="Give IK chain a hint about which way to bend.  Useful for perfectly straight chains")
+        params.elbow_target_base_name = bpy.props.StringProperty(name="Elbow Target Name", default="elbow_target", description="Base name for the generated elbow target.")
 
         params.separate_ik_layers = bpy.props.BoolProperty(name="Separate IK Control Layers:", default=False, description="Enable putting the ik controls on a separate layer from the fk controls")
         params.ik_layers = bpy.props.BoolVectorProperty(size=32, description="Layers for the ik controls to be on")
@@ -113,6 +114,9 @@ class Rig:
         params = obj.pose.bones[bone].rigify_parameters
 
         r = layout.row()
+        r.prop(params, "elbow_target_base_name")
+
+        r = layout.row()
         r.prop(params, "separate_ik_layers")
 
         r = layout.row()
diff --git a/rigify/rigs/biped/arm/fk.py b/rigify/rigs/biped/arm/fk.py
index e27e8541..54b1a459 100644
--- a/rigify/rigs/biped/arm/fk.py
+++ b/rigify/rigs/biped/arm/fk.py
@@ -24,7 +24,7 @@ from rna_prop_ui import rna_idprop_ui_prop_get
 from ....utils import MetarigError
 from ....utils import copy_bone
 from ....utils import connected_children_names
-from ....utils import strip_org, make_mechanism_name
+from ....utils import strip_org, make_mechanism_name, insert_before_lr
 from ....utils import get_layers
 from ....utils import create_widget, create_limb_widget
 
@@ -73,9 +73,9 @@ class Rig:
         bpy.ops.object.mode_set(mode='EDIT')
 
         # Create the control bones
-        uarm = copy_bone(self.obj, self.org_bones[0], strip_org(self.org_bones[0]))
-        farm = copy_bone(self.obj, self.org_bones[1], strip_org(self.org_bones[1]))
-        hand = copy_bone(self.obj, self.org_bones[2], strip_org(self.org_bones[2]))
+        uarm = copy_bone(self.obj, self.org_bones[0], strip_org(insert_before_lr(self.org_bones[0], ".fk")))
+        farm = copy_bone(self.obj, self.org_bones[1], strip_org(insert_before_lr(self.org_bones[1], ".fk")))
+        hand = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], ".fk")))
 
         # Create the hinge bones
         if self.org_parent != None:
diff --git a/rigify/rigs/biped/arm/ik.py b/rigify/rigs/biped/arm/ik.py
index 50ae72a9..8f288601 100644
--- a/rigify/rigs/biped/arm/ik.py
+++ b/rigify/rigs/biped/arm/ik.py
@@ -100,14 +100,15 @@ class Rig:
         bpy.ops.object.mode_set(mode='EDIT')
 
         # Create the bones
-        uarm = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[0], "_ik"))))
-        farm = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[1], "_ik"))))
+        uarm = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[0], ".ik"))))
+        farm = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[1], ".ik"))))
 
-        hand = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], "_ik")))
-        pole = copy_bone(self.obj, self.org_bones[0], strip_org(insert_before_lr(self.org_bones[0], "_pole")))
+        hand = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], ".ik")))
+        pole_target_name = self.params.elbow_target_base_name + "." + insert_before_lr(self.org_bones[0], ".ik").split(".", 1)[1]
+        pole = copy_bone(self.obj, self.org_bones[0], pole_target_name)
 
-        vishand = copy_bone(self.obj, self.org_bones[2], "VIS-" + strip_org(insert_before_lr(self.org_bones[2], "_ik")))
-        vispole = copy_bone(self.obj, self.org_bones[1], "VIS-" + strip_org(insert_before_lr(self.org_bones[0], "_pole")))
+        vishand = copy_bone(self.obj, self.org_bones[2], "VIS-" + strip_org(insert_before_lr(self.org_bones[2], ".ik")))
+        vispole = copy_bone(self.obj, self.org_bones[1], "VIS-" + strip_org(insert_before_lr(self.org_bones[0], "_pole.ik")))
 
         # Get edit bones
         eb = self.obj.data.edit_bones
diff --git a/rigify/rigs/biped/leg/__init__.py b/rigify/rigs/biped/leg/__init__.py
index dbeeb0ef..a3c71627 100644
--- a/rigify/rigs/biped/leg/__init__.py
+++ b/rigify/rigs/biped/leg/__init__.py
@@ -100,6 +100,8 @@ class Rig:
         params.primary_rotation_axis = bpy.props.EnumProperty(items=items, name="Primary Rotation Axis", default='X')
 
         params.bend_hint = bpy.props.BoolProperty(name="Bend Hint", default=True, description="Give IK chain a hint about which way to bend (useful for perfectly straight chains)")
+        params.knee_target_base_name = bpy.props.StringProperty(name="Knee Target Name", default="knee_target", description="Base name for the generated knee target.")
+
 
         params.separate_ik_layers = bpy.props.BoolProperty(name="Separate IK Control Layers:", default=False, description="Enable putting the ik controls on a separate layer from the fk controls")
         params.ik_layers = bpy.props.BoolVectorProperty(size=32, description="Layers for the ik controls to be on")
@@ -115,6 +117,9 @@ class Rig:
         params = obj.pose.bones[bone].rigify_parameters
 
         r = layout.row()
+        r.prop(params, "knee_target_base_name")
+
+        r = layout.row()
         r.prop(params, "separate_ik_layers")
 
         r = layout.row()
diff --git a/rigify/rigs/biped/leg/fk.py b/rigify/rigs/biped/leg/fk.py
index 497c110d..4e224ceb 100644
--- a/rigify/rigs/biped/leg/fk.py
+++ b/rigify/rigs/biped/leg/fk.py
@@ -25,7 +25,7 @@ from mathutils import Vector
 from ....utils import MetarigError
 from ....utils import copy_bone
 from ....utils import connected_children_names, has_connected_children
-from ....utils import strip_org, make_mechanism_name
+from ....utils import strip_org, make_mechanism_name, insert_before_lr
 from ....utils import get_layers
 from ....utils import create_widget, create_limb_widget
 
@@ -99,9 +99,9 @@ class Rig:
         bpy.ops.object.mode_set(mode='EDIT')
 
         # Create the control bones
-        thigh = copy_bone(self.obj, self.org_bones[0], strip_org(self.org_bones[0]))
-        shin = copy_bone(self.obj, self.org_bones[1], strip_org(self.org_bones[1]))
-        foot = copy_bone(self.obj, self.org_bones[2], strip_org(self.org_bones[2]))
+        thigh = copy_bone(self.obj, self.org_bones[0], strip_org(insert_before_lr(self.org_bones[0], ".fk")))
+        shin = copy_bone(self.obj, self.org_bones[1], strip_org(insert_before_lr(self.org_bones[1], ".fk")))
+        foot = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], ".fk")))
 
         # Create the foot mechanism bone
         foot_mch = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[2])))
diff --git a/rigify/rigs/biped/leg/ik.py b/rigify/rigs/biped/leg/ik.py
index 98f4a3eb..52eae332 100644
--- a/rigify/rigs/biped/leg/ik.py
+++ b/rigify/rigs/biped/leg/ik.py
@@ -154,19 +154,20 @@ class Rig:
             make_rocker = True
 
         # Create the bones
-        thigh = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[0], "_ik"))))
-        shin = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[1], "_ik"))))
+        thigh = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[0], ".ik"))))
+        shin = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[1], ".ik"))))
 
-        foot = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], "_ik")))
+        foot = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], ".ik")))
         foot_ik_target = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[2], "_ik_target"))))
-        pole = copy_bone(self.obj, self.org_bones[0], strip_org(insert_before_lr(self.org_bones[0], "_pole")))
+        pole_target_name = self.params.knee_target_base_name + "." + insert_before_lr(self.org_bones[0], ".ik").split(".", 1)[1]
+        pole = copy_bone(self.obj, self.org_bones[0], pole_target_name)
 
         toe = copy_bone(self.obj, self.org_bones[3], strip_org(self.org_bones[3]))
         toe_parent = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[3] + ".parent")))
         toe_parent_socket1 = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[3] + ".socket1")))
         toe_parent_socket2 = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[3] + ".socket2")))
 
-        foot_roll = copy_bone(self.obj, self.org_bones[4], strip_org(insert_before_lr(self.org_bones[2], "_roll")))
+        foot_roll = copy_bone(self.obj, self.org_bones[4], strip_org(insert_before_lr(self.org_bones[2], "_roll.ik")))
         roll1 = copy_bone(self.obj, self.org_bones[4], make_mechanism_name(strip_org(self.org_bones[2] + ".roll.01")))
         roll2 = copy_bone(self.obj, self.org_bones[4], make_mechanism_name(strip_org(self.org_bones[2] + ".roll.02")))
 
@@ -174,8 +175,8 @@ class Rig:
             rocker1 = copy_bone(self.obj, self.org_bones[5], make_mechanism_name(strip_org(self.org_bones[2] + ".rocker.01")))
             rocker2 = copy_bone(self.obj, self.org_bones[5], make_mechanism_name(strip_org(self.org_bones[2] + ".rocker.02")))
 
-        visfoot = copy_bone(self.obj, self.org_bones[2], "VIS-" + strip_org(insert_before_lr(self.org_bones[2], "_ik")))
-        vispole = copy_bone(self.obj, self.org_bones[1], "VIS-" + strip_org(insert_before_lr(self.org_bones[0], "_pole")))
+        visfoot = copy_bone(self.obj, self.org_bones[2], "VIS-" + strip_org(insert_before_lr(self.org_bones[2], ".ik")))
+        vispole = copy_bone(self.obj, self.org_bones[1], "VIS-" + strip_org(insert_before_lr(self.org_bones[0], "_pole.ik")))
 
         # Get edit bones
         eb = self.obj.data.edit_bones
diff --git a/rigify/rigs/spine.py b/rigify/rigs/spine.py
index 332c6f43..29ad1729 100644
--- a/rigify/rigs/spine.py
+++ b/rigify/rigs/spine.py
@@ -20,6 +20,7 @@
 
 """ TODO:
     - Add parameters for bone transform alphas.
+    - Add IK spine controls
 """
 
 from math import floor
@@ -32,7 +33,7 @@ from ..utils import MetarigError
 from ..utils import copy_bone, new_bone, flip_bone, put_bone
 from ..utils import connected_children_names
 from ..utils import strip_org, make_mechanism_name, make_deformer_name
-from ..utils import obj_to_bone, create_circle_widget, create_compass_widget
+from ..utils import obj_to_bone, create_circle_widget, create_cube_widget
 
 script = """
 main = "%s"
@@ -73,6 +74,7 @@ class Rig:
         self.control_indices.sort()
 
         self.pivot_rest = self.params.rest_pivot_slide
+        # Clamp pivot_rest to within the middle bones of the spine
         self.pivot_rest = max(self.pivot_rest, 1.0 / len(self.org_bones))
         self.pivot_rest = min(self.pivot_rest, 1.0 - (1.0 / len(self.org_bones)))
 
@@ -148,22 +150,12 @@ class Rig:
         # Create main control bone
         main_control = new_bone(self.obj, self.params.spine_main_control_name)
 
-        # Create main control WGT bones
-        main_wgt1 = new_bone(self.obj, make_mechanism_name(self.params.spine_main_control_name + ".01"))
-        main_wgt2 = new_bone(self.obj, make_mechanism_name(self.params.spine_main_control_name + ".02"))
-
         eb = self.obj.data.edit_bones
 
         # Parent the main control
         eb[main_control].use_connect = False
         eb[main_control].parent = eb[self.org_bones[0]].parent
 
-        # Parent the main WGTs
-        eb[main_wgt1].use_connect = False
-        eb[main_wgt1].parent = eb[main_control]
-        eb[main_wgt2].use_connect = False
-        eb[main_wgt2].parent = eb[main_wgt1]
-
         # Parent the controls and sub-controls
         for name, subname in zip(controls, subcontrols):
             eb[name].use_connect = False
@@ -181,12 +173,6 @@ class Rig:
         put_bone(self.obj, main_control, pivot_rest_pos)
         eb[main_control].length = sum([eb[b].length for b in self.org_bones]) / 2
 
-        # Position the main WGTs
-        eb[main_wgt1].tail = (0.0, 0.0, sum([eb[b].length for b in self.org_bones]) / 4)
-        eb[main_wgt2].length = sum([eb[b].length for b in self.org_bones]) / 4
-        put_bone(self.obj, main_wgt1, pivot_rest_pos)
-        put_bone(self.obj, main_wgt2, pivot_rest_pos)
-
         # Position the controls and sub-controls
         pos = eb[controls[0]].head.copy()
         for name, subname in zip(controls, subcontrols):
@@ -379,11 +365,6 @@ class Rig:
         con.target = self.obj
         con.subtarget = rev_bones[0]
 
-        con = pb[main_wgt1].constraints.new('COPY_ROTATION')
-        con.name = "copy_rotation"
-        con.target = self.obj
-        con.subtarget = rev_bones[0]
-
         # Slide constraints
         i = 1
         tot = len(rev_bones)
@@ -408,26 +389,6 @@ class Rig:
             mod.coefficients[0] = 1 - i
             mod.coefficients[1] = tot
 
-            # Main WGT
-            con = pb[main_wgt1].constraints.new('COPY_ROTATION')
-            con.name = "slide." + str(i)
-            con.target = self.obj
-            con.subtarget = rb
-
-            # Driver
-            fcurve = con.driver_add("influence")
-            driver = fcurve.driver
-            var = driver.variables.new()
-            driver.type = 'AVERAGE'
-            var.name = "slide"
-            var.targets[0].id_type = 'OBJECT'
-            var.targets[0].id = self.obj
-            var.targets[0].data_path = main_control_p.path_from_id() + '["pivot_slide"]'
-            mod = fcurve.modifiers[0]
-            mod.poly_order = 1
-            mod.coefficients[0] = 1.5 - i
-            mod.coefficients[1] = tot
-
             i += 1
 
         #----------------------------------
@@ -482,8 +443,7 @@ class Rig:
 
         # Control appearance
         # Main
-        pb[main_control].custom_shape_transform = pb[main_wgt2]
-        w = create_compass_widget(self.obj, main_control, bone_transform_name=main_wgt2)
+        w = create_cube_widget(self.obj, main_control)
 
         # Spines
         for name, i in zip(controls[1:-1], self.control_indices[1:-1]):
diff --git a/rigify/ui.py b/rigify/ui.py
index 40121cdc..f2a88a12 100644
--- a/rigify/ui.py
+++ b/rigify/ui.py
@@ -21,7 +21,7 @@
 import bpy
 from bpy.props import StringProperty
 
-from .utils import get_rig_type
+from .utils import get_rig_type, MetarigError
 from . import rig_lists
 from . import generate
 
@@ -263,7 +263,7 @@ class Generate(bpy.types.Operator):
         context.user_preferences.edit.use_global_undo = False
         try:
             generate.generate_rig(context, context.object)
-        except rigify.utils.MetarigError as rig_exception:
+        except MetarigError as rig_exception:
             rigify_report_exception(self, rig_exception)
         finally:
             context.user_preferences.edit.use_global_undo = use_global_undo
diff --git a/rigify/utils.py b/rigify/utils.py
index de27b37c..9a956689 100644
--- a/rigify/utils.py
+++ b/rigify/utils.py
@@ -331,6 +331,19 @@ def create_circle_widget(rig, bone_name, radius=1.0, head_tail=0.0, with_line=Fa
         return None
 
 
+def create_cube_widget(rig, bone_name, radius=0.5, bone_transform_name=None):
+    """ Creates a basic cube widget.
+    """
+    obj = create_widget(rig, bone_name, bone_transform_name)
+    if obj != None:
+        r = radius
+        verts = [(r, r, r), (r, -r, r), (-r, -r, r), (-r, r, r), (r, r, -r), (r, -r, -r), (-r, -r, -r), (-r, r, -r)]
+        edges = [(0, 1), (1, 2), (2, 3), (3, 0), (4, 5), (5, 6), (6, 7), (7, 4), (0, 4), (1, 5), (2, 6), (3, 7)]
+        mesh = obj.data
+        mesh.from_pydata(verts, edges, [])
+        mesh.update()
+
+
 def create_sphere_widget(rig, bone_name, bone_transform_name=None):
     """ Creates a basic sphere widget, three pependicular overlapping circles.
     """