diff --git a/nhf/touhou/yasaka_kanako/onbashira.py b/nhf/touhou/yasaka_kanako/onbashira.py
index 9418628..1eb3580 100644
--- a/nhf/touhou/yasaka_kanako/onbashira.py
+++ b/nhf/touhou/yasaka_kanako/onbashira.py
@@ -31,8 +31,8 @@ class Onbashira(Model):
     angle_joint_bolt_diam: float = 10.0
     # Position of the holes, with (0, 0) being the centre of each side
     angle_joint_bolt_position: list[float] = field(default_factory=lambda: [
-        (20, 15),
-        (50, 15),
+        (20, 10),
+        (60, 10),
     ])
     angle_joint_flange_thickness: float = 7.8
     angle_joint_flange_radius: float = 40.0