From 8a165321b77869f959b4f4e4ea2ff91b97bd13db Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Fri, 3 Apr 2026 19:52:04 +0900
Subject: [PATCH] Update engine.ts

---
 packages/frontend/src/utility/room/engine.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/frontend/src/utility/room/engine.ts b/packages/frontend/src/utility/room/engine.ts
index 9200331184..691530d513 100644
--- a/packages/frontend/src/utility/room/engine.ts
+++ b/packages/frontend/src/utility/room/engine.ts
@@ -224,7 +224,7 @@ class ModelManager {
 
 			const toMerge = [] as BABYLON.Mesh[];
 			for (const mesh of _toMerge) {
-				const newMesh = mesh.clone(mesh.name + '_bakeMerged', null, true);
+				const newMesh = mesh.name.endsWith('_realized') ? mesh : mesh.clone(mesh.name + '_bakeMerged', null, true);
 				newMesh.makeGeometryUnique();
 				applyMorphTargetsToMesh(newMesh);
 				if (newMesh.parent === this.root) {