From eac079f46cd387164e8a89c7601491f58d871ed4 Mon Sep 17 00:00:00 2001
From: minsung <minsung.kim.hanmaceng@gmail.com>
Date: Tue, 14 Apr 2026 20:18:57 +0900
Subject: [PATCH] =?UTF-8?q?bridge=5Fscene:=20=EA=B5=90=EB=8C=80=20X=20?=
 =?UTF-8?q?=EC=9D=B4=EC=A4=91=20=EC=98=A4=ED=94=84=EC=85=8B=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95=20=E2=80=94=20=EC=A4=91=EC=8B=AC=20=EC=A0=95=EB=A0=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 cimery/crates/viewer/src/bridge_scene.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cimery/crates/viewer/src/bridge_scene.rs b/cimery/crates/viewer/src/bridge_scene.rs
index b62eb7e..7352dd0 100644
--- a/cimery/crates/viewer/src/bridge_scene.rs
+++ b/cimery/crates/viewer/src/bridge_scene.rs
@@ -123,7 +123,8 @@ pub fn build_bridge_scene<K: GeomKernel>(kernel: &K) -> Result<Mesh, KernelError
         let mesh = kernel.abutment_mesh(&abut_ir)?;
         // Place abutment: breast wall top at Y = -(BEARING_H)
         let y = -(BEARING_H + abut_ir.breast_wall_height as f32);
-        parts.push(translate(mesh, -(total_w as f32) * 0.5, y, z));
+        // Abutment geometry is already centred at X=0; only Y and Z offset needed.
+        parts.push(translate(mesh, 0.0, y, z));
     }
 
     Ok(merge(parts))