diff --git a/nhf/touhou/houjuu_nue/wing.py b/nhf/touhou/houjuu_nue/wing.py
index d74b2ba..2ba73e9 100644
--- a/nhf/touhou/houjuu_nue/wing.py
+++ b/nhf/touhou/houjuu_nue/wing.py
@@ -62,6 +62,8 @@ class WingProfile(Model):
             radius_disk=13.0,
             radius_housing=15.0,
         ),
+        child_arm_radius=20.0,
+        parent_arm_radius=30.0,
     ))
     # Distance between the two spacers on the elbow, halved
     wrist_h2: float = 5.0
@@ -464,7 +466,8 @@ class WingProfile(Model):
         ]
         profile = self.profile_s1()
         tags = tags_shoulder + tags_elbow
-        return nhf.utils.extrude_with_markers(profile, self.panel_thickness, tags, reverse=front)
+        return nhf.utils.extrude_with_markers(
+            profile, self.panel_thickness, tags, reverse=front)
     @submodel(name="spacer-s1-shoulder")
     def spacer_s1_shoulder(self) -> MountingBox:
         holes = [
@@ -505,7 +508,7 @@ class WingProfile(Model):
                 result,
                 o,
                 point_tag=t,
-                flipped=is_top != True #is_parent,
+                flipped=not is_top,
             )
         return result.solve()
 
@@ -527,10 +530,10 @@ class WingProfile(Model):
         tags_elbow = [
             ("elbow_bot",
              self.elbow_to_abs(elbow_mount_inset, h - self.elbow_h2),
-             self.elbow_angle),
+             self.elbow_angle + 180),
             ("elbow_top",
              self.elbow_to_abs(elbow_mount_inset, h + self.elbow_h2),
-             self.elbow_angle),
+             self.elbow_angle + 180),
         ]
         h = self.wrist_height / 2
         tags_wrist = [
@@ -578,8 +581,8 @@ class WingProfile(Model):
                 result,
                 o.generate(),
                 point_tag=t,
-                flipped=is_top,# != is_parent,
-                rotate=is_parent,
+                flipped=is_top == is_parent,
+                #rotate=True,
             )
         return result.solve()
 
@@ -598,10 +601,10 @@ class WingProfile(Model):
         tags = [
             ("wrist_bot",
              self.wrist_to_abs(wrist_mount_inset, h - self.wrist_h2),
-             self.wrist_angle),
+             self.wrist_angle + 180),
             ("wrist_top",
              self.wrist_to_abs(wrist_mount_inset, h + self.wrist_h2),
-             self.wrist_angle),
+             self.wrist_angle + 180),
         ]
         profile = self.profile_s3()
         return nhf.utils.extrude_with_markers(profile, self.panel_thickness, tags, reverse=front)
@@ -632,7 +635,8 @@ class WingProfile(Model):
                 result,
                 o.generate(),
                 point_tag=t,
-                flipped=is_top != is_parent,
+                flipped=is_top,# != is_parent,
+                #rotate=True,
             )
         return result.solve()
 
@@ -698,20 +702,20 @@ class WingProfile(Model):
             # Mounted backwards to bend in other direction
             (
                 result
-                .constrain("s2/wrist_top?conn0", "wrist/parent_upper/bot?conn0", "Plane")
-                .constrain("s2/wrist_top?conn1", "wrist/parent_upper/bot?conn1", "Plane")
-                .constrain("s2/wrist_bot?conn0", "wrist/parent_upper/top?conn0", "Plane")
-                .constrain("s2/wrist_bot?conn1", "wrist/parent_upper/top?conn1", "Plane")
+                .constrain("s2/wrist_top?conn0", "wrist/parent_upper/lip?conn_bot0", "Plane")
+                .constrain("s2/wrist_top?conn1", "wrist/parent_upper/lip?conn_bot1", "Plane")
+                .constrain("s2/wrist_bot?conn0", "wrist/parent_upper/lip?conn_top0", "Plane")
+                .constrain("s2/wrist_bot?conn1", "wrist/parent_upper/lip?conn_top1", "Plane")
             )
         if "s3" in parts:
             result.add(self.assembly_s3(), name="s3")
         if "s3" in parts and "wrist" in parts:
             (
                 result
-                .constrain("s3/wrist_top?conn0", "wrist/child/bot?conn0", "Plane")
-                .constrain("s3/wrist_top?conn1", "wrist/child/bot?conn1", "Plane")
-                .constrain("s3/wrist_bot?conn0", "wrist/child/top?conn0", "Plane")
-                .constrain("s3/wrist_bot?conn1", "wrist/child/top?conn1", "Plane")
+                .constrain("s3/wrist_top?conn0", "wrist/child/lip?conn_bot0", "Plane")
+                .constrain("s3/wrist_top?conn1", "wrist/child/lip?conn_bot1", "Plane")
+                .constrain("s3/wrist_bot?conn0", "wrist/child/lip?conn_top0", "Plane")
+                .constrain("s3/wrist_bot?conn1", "wrist/child/lip?conn_top1", "Plane")
             )
         if len(parts) > 1:
             result.solve()
@@ -970,6 +974,6 @@ class WingL(WingProfile):
             (self.elbow_x, self.wrist_y),
             (self.wrist_x, self.wrist_y),
             (self.wrist_top_x, self.wrist_top_y),
-            (self.elbow_x, self.elbow_top_y + 50),
+            (self.elbow_x, self.elbow_top_y + l),
             (0, l),
         ]