diff --git a/packages/frontend/src/world/room/engine.ts b/packages/frontend/src/world/room/engine.ts
index 4fab74c1c8..c92fba4c4e 100644
--- a/packages/frontend/src/world/room/engine.ts
+++ b/packages/frontend/src/world/room/engine.ts
@@ -883,6 +883,7 @@ export class RoomEngine extends EventEmitter {
 		const objectInstance = await def.createInstance({
 			room: this,
 			scene: this.scene,
+			sr: this.sr,
 			root,
 			options: args.options,
 			model,
diff --git a/packages/frontend/src/world/room/object.ts b/packages/frontend/src/world/room/object.ts
index 596b7d4867..68513c3ba7 100644
--- a/packages/frontend/src/world/room/object.ts
+++ b/packages/frontend/src/world/room/object.ts
@@ -114,6 +114,7 @@ export type ObjectDef<OpSc extends OptionsSchema = OptionsSchema> = {
 	createInstance: (args: {
 		room?: RoomEngine | null;
 		scene: BABYLON.Scene;
+		sr: BABYLON.SnapshotRenderingHelper;
 		root: BABYLON.Mesh;
 		options: Readonly<GetOptionsSchemaValues<OpSc>>;
 		model: ModelManager;
diff --git a/packages/frontend/src/world/room/objects/ceilingFanLight.ts b/packages/frontend/src/world/room/objects/ceilingFanLight.ts
index 266e4ca995..10e1192c82 100644
--- a/packages/frontend/src/world/room/objects/ceilingFanLight.ts
+++ b/packages/frontend/src/world/room/objects/ceilingFanLight.ts
@@ -24,7 +24,7 @@ export const ceilingFanLight = defineObject({
 	hasCollisions: false,
 	receiveShadows: false,
 	castShadows: false,
-	createInstance: ({ options, room, scene, model }) => {
+	createInstance: ({ options, sr, scene, model }) => {
 		const shadeMaterial = model.findMaterial('__X_SHADE__');
 
 		const applyShadeColor = () => {
@@ -49,7 +49,7 @@ export const ceilingFanLight = defineObject({
 				]);
 				rotor.animations = [anim];
 				animationObserver = scene.onAfterAnimationsObservable.add(() => {
-					room?.sr.updateMesh([rotor, ...rotor.getChildMeshes()], false);
+					sr.updateMesh([rotor, ...rotor.getChildMeshes()], false);
 				});
 				scene.beginAnimation(rotor, 0, 100, true);
 			},
diff --git a/packages/frontend/src/world/room/objects/lavaLamp.ts b/packages/frontend/src/world/room/objects/lavaLamp.ts
index 0619bc7a48..8d5e244bfc 100644
--- a/packages/frontend/src/world/room/objects/lavaLamp.ts
+++ b/packages/frontend/src/world/room/objects/lavaLamp.ts
@@ -39,7 +39,7 @@ export const lavaLamp = defineObject({
 	placement: 'top',
 	hasCollisions: false,
 	canPreMeshesMerging: true,
-	createInstance: ({ options, room, scene, root, model, graphicsQuality }) => {
+	createInstance: ({ options, room, scene, sr, root, model, graphicsQuality }) => {
 		const bodyMaterial = model.findMaterial('__X_BODY__');
 		const glassMaterial = model.findMaterial('__X_GLASS__');
 		const lightMaterial = model.findMaterial('__X_LIGHT__');
@@ -111,7 +111,7 @@ export const lavaLamp = defineObject({
 		scene.beginAnimation(sphere3, 0, 800, true, 0.6);
 
 		animationObserver = scene.onAfterAnimationsObservable.add(() => {
-			room?.sr.updateMesh([sphere, sphere2, sphere3], false);
+			sr.updateMesh([sphere, sphere2, sphere3], false);
 		});
 
 		const emitter = new BABYLON.TransformNode('emitter', scene);
@@ -139,7 +139,7 @@ export const lavaLamp = defineObject({
 		ps.preWarmCycles = 100;
 		ps.start();
 
-		room?.sr.fixParticleSystem(ps);
+		sr.fixParticleSystem(ps);
 
 		return {
 			onInited: () => {
diff --git a/packages/frontend/src/world/room/objects/radiometer.ts b/packages/frontend/src/world/room/objects/radiometer.ts
index 9e23a1223a..816b68592b 100644
--- a/packages/frontend/src/world/room/objects/radiometer.ts
+++ b/packages/frontend/src/world/room/objects/radiometer.ts
@@ -15,7 +15,7 @@ export const radiometer = defineObject({
 	},
 	placement: 'top',
 	hasCollisions: false,
-	createInstance: ({ room, scene, model }) => {
+	createInstance: ({ sr, scene, model }) => {
 		const vanes = model.findTransformNode('__X_VANES__');
 		model.bakeExcludeMeshes = [...vanes.getChildMeshes()];
 
@@ -31,7 +31,7 @@ export const radiometer = defineObject({
 				]);
 				vanes.animations = [anim];
 				animationObserver = scene.onAfterAnimationsObservable.add(() => {
-					room?.sr.updateMesh([...vanes.getChildMeshes()], true);
+					sr.updateMesh([...vanes.getChildMeshes()], true);
 				});
 				scene.beginAnimation(vanes, 0, 240, true);
 			},
diff --git a/packages/frontend/src/world/room/objects/tabletopDigitalClock.ts b/packages/frontend/src/world/room/objects/tabletopDigitalClock.ts
index c3a60f934a..5d58e14320 100644
--- a/packages/frontend/src/world/room/objects/tabletopDigitalClock.ts
+++ b/packages/frontend/src/world/room/objects/tabletopDigitalClock.ts
@@ -35,7 +35,7 @@ export const tabletopDigitalClock = defineObject({
 	placement: 'top',
 	hasCollisions: false,
 	canPreMeshesMerging: false,
-	createInstance: ({ root, room, options, model, scene, timer }) => {
+	createInstance: ({ sr, options, model, timer }) => {
 		const matrix = model.root.getWorldMatrix(true);
 		const scale = new BABYLON.Vector3();
 		matrix.decompose(scale);
@@ -123,7 +123,7 @@ export const tabletopDigitalClock = defineObject({
 						mesh.position.y = isVisible ? defaultSegMeshDepth : defaultSegMeshDepth - (cm(2) / Math.abs(scale.y));
 					}
 
-					room?.sr.updateMesh([...Object.values(segmentMeshes), ...colonMeshes]);
+					sr.updateMesh([...Object.values(segmentMeshes), ...colonMeshes]);
 				}, 1000);
 			},
 			onOptionsUpdated: ([k, v]) => {
diff --git a/packages/frontend/src/world/room/objects/wallClock.ts b/packages/frontend/src/world/room/objects/wallClock.ts
index 7546a9f619..3dde5163d5 100644
--- a/packages/frontend/src/world/room/objects/wallClock.ts
+++ b/packages/frontend/src/world/room/objects/wallClock.ts
@@ -22,7 +22,7 @@ export const wallClock = defineObject({
 	},
 	placement: 'side',
 	hasCollisions: false,
-	createInstance: ({ room, timer, options, model }) => {
+	createInstance: ({ sr, timer, options, model }) => {
 		const hourHand = model.findMesh('HandH');
 		const minuteHand = model.findMesh('HandM');
 
@@ -48,7 +48,7 @@ export const wallClock = defineObject({
 					const mAngle = -(minutes / 60) * Math.PI * 2;
 					hourHand.rotation = new BABYLON.Vector3(0, 0, hAngle);
 					minuteHand.rotation = new BABYLON.Vector3(0, 0, mAngle);
-					room?.sr.updateMesh([hourHand, minuteHand], false);
+					sr.updateMesh([hourHand, minuteHand], false);
 				}, 1000);
 			},
 			onOptionsUpdated: ([k, v]) => {
diff --git a/packages/frontend/src/world/room/previewEngine.ts b/packages/frontend/src/world/room/previewEngine.ts
index 40d48505fc..e8550c67bb 100644
--- a/packages/frontend/src/world/room/previewEngine.ts
+++ b/packages/frontend/src/world/room/previewEngine.ts
@@ -26,6 +26,7 @@ export class RoomObjectPreviewEngine {
 	private canvas: HTMLCanvasElement;
 	private engine: BABYLON.WebGPUEngine;
 	private scene: BABYLON.Scene;
+	private sr: BABYLON.SnapshotRenderingHelper;
 	private shadowGenerator: BABYLON.ShadowGenerator;
 	private camera: BABYLON.ArcRotateCamera;
 	private objectMesh: BABYLON.Mesh | null = null;
@@ -50,10 +51,11 @@ export class RoomObjectPreviewEngine {
 
 		this.engine = options.engine;
 		this.scene = new BABYLON.Scene(this.engine);
-		this.scene.clearColor = new BABYLON.Color4(0, 0, 0, 0);
-		this.scene.autoClear = true;
+		this.scene.autoClear = false;
 		this.scene.skipPointerMovePicking = true;
 
+		this.sr = new BABYLON.SnapshotRenderingHelper(this.scene);
+
 		this.camera = new BABYLON.ArcRotateCamera('camera', -Math.PI / 2, Math.PI / 2.5, cm(300), new BABYLON.Vector3(0, cm(90), 0), this.scene);
 
 		this.envMapIndoor = BABYLON.CubeTexture.CreateFromPrefilteredData('/client-assets/room/indoor.env', this.scene);
@@ -95,6 +97,7 @@ export class RoomObjectPreviewEngine {
 		});
 		gl.intensity = 0.5;
 		this.scene.setRenderingAutoClearDepthStencil(gl.renderingGroupId, false);
+		this.sr.updateMeshesForEffectLayer(gl);
 
 		this.pipeline = new BABYLON.DefaultRenderingPipeline('default', true, this.scene);
 		this.pipeline.samples = 4;
@@ -188,10 +191,12 @@ export class RoomObjectPreviewEngine {
 	}
 
 	public async init() {
-		// 特になし
+		await this.scene.whenReadyAsync();
+		this.sr.enableSnapshotRendering();
 	}
 
 	public async load(type: string) {
+		this.sr.disableSnapshotRendering();
 		this.clear();
 
 		const id = genId();
@@ -254,6 +259,8 @@ export class RoomObjectPreviewEngine {
 
 		this.pipeline.addCamera(this.camera);
 
+		this.sr.enableSnapshotRendering();
+
 		return {
 			id,
 			objectInstance: this.objectInstance,
@@ -317,6 +324,10 @@ export class RoomObjectPreviewEngine {
 		const model = new ModelManager(subRoot, loaderResult.meshes.filter(m => !m.isDisposed() && m !== subRoot), def.hasTexture, (meshes) => {
 			updateMeshes(meshes);
 		});
+		//model.updatedCallback = () => {
+		//	this.sr.disableSnapshotRendering();
+		//	this.sr.enableSnapshotRendering();
+		//};
 
 		updateMeshes(subRoot.getChildMeshes());
 
@@ -325,6 +336,7 @@ export class RoomObjectPreviewEngine {
 		const objectInstance = await def.createInstance({
 			room: null,
 			scene: this.scene,
+			sr: this.sr,
 			root,
 			options: args.options,
 			model,
@@ -341,12 +353,15 @@ export class RoomObjectPreviewEngine {
 	}
 
 	public updateObjectOption(key: string, value: any) {
+		this.sr.disableSnapshotRendering();
 		this.objectOptions[key] = value;
 		this.objectInstance?.onOptionsUpdated?.([key, value]);
+		this.sr.enableSnapshotRendering();
 		return this.objectOptions;
 	}
 
 	public clear() {
+		this.sr.disableSnapshotRendering();
 		if (this.timerForEachObject != null) {
 			this.timerForEachObject.dispose();
 			this.timerForEachObject = null;
@@ -359,10 +374,20 @@ export class RoomObjectPreviewEngine {
 			this.objectMesh = null;
 			this.objectType = null;
 		}
+		this.sr.enableSnapshotRendering();
 	}
 
 	public resize() {
+		// 一旦snapshot renderingを無効にしておかないとエラーが出る(babylonのバグ？)
+		// ~~...が、一旦無効にしたらしたで複数のマテリアルがそれぞれ入れ替わる(?)という謎の現象が発生するためコメントアウトしとく(エラー出てもレンダリングが止まったりするわけでもないし)~~
+		// ↑追記: engine.resizeした後に一瞬待つことで回避できることが判明
+		this.sr.disableSnapshotRendering();
 		this.engine.resize();
+		// workerで実行される可能性がある
+		// eslint-disable-next-line no-restricted-globals
+		setTimeout(() => {
+			this.sr.enableSnapshotRendering();
+		}, 1);
 	}
 
 	public destroy() {
diff --git a/packages/frontend/src/world/room/utility.ts b/packages/frontend/src/world/room/utility.ts
index 3c48aa7e6c..3421035ecd 100644
--- a/packages/frontend/src/world/room/utility.ts
+++ b/packages/frontend/src/world/room/utility.ts
@@ -203,6 +203,7 @@ export function findMaterial(rootMesh: BABYLON.AbstractMesh, keyword: string, al
 export class ModelManager {
 	public root: BABYLON.Mesh;
 	public bakedCallback: (() => void) | null = null;
+	public updatedCallback: (() => void) | null = null;
 	public bakeExcludeMeshes: BABYLON.Mesh[] = [];
 	private originalMeshes: BABYLON.Mesh[] = [];
 	private bakedMeshes: BABYLON.Mesh[] = [];
@@ -241,6 +242,7 @@ export class ModelManager {
 	}
 
 	public updated() {
+		this.updatedCallback?.();
 	}
 
 	public bakeMesh() {