diff --git a/nhf/touhou/houjuu_nue/harness.py b/nhf/touhou/houjuu_nue/harness.py
index 1f31dfc..516715a 100644
--- a/nhf/touhou/houjuu_nue/harness.py
+++ b/nhf/touhou/houjuu_nue/harness.py
@@ -53,7 +53,7 @@ BASE_POS_Y = 100.0
 @dataclass(kw_only=True)
 class Harness(Model):
     thickness: float = 25.4 / 8
-    width: float = 220.0
+    width: float = 200.0
     height: float = 304.8
     fillet: float = 10.0
 
diff --git a/nhf/touhou/houjuu_nue/joints.py b/nhf/touhou/houjuu_nue/joints.py
index ef03702..c3df763 100644
--- a/nhf/touhou/houjuu_nue/joints.py
+++ b/nhf/touhou/houjuu_nue/joints.py
@@ -103,12 +103,12 @@ class RootJoint(Model):
         base_height=4.0,
         n_tooth=24,
     ))
-    parent_width: float = 85
+    parent_width: float = 60
     parent_thickness: float = 10
     parent_corner_fillet: float = 5
-    parent_corner_cbore_diam: float = 12
+    parent_corner_cbore_diam: float = 12.6
     parent_corner_cbore_depth: float = 2
-    parent_corner_inset: float = 12
+    parent_corner_inset: float = 7.5
     parent_mount_thickness: float = 25.4 / 16
 
     parent_substrate_thickness: float = 25.4 / 16