diff --git a/packages/frontend/assets/room/objects/wall-canvas/wall-canvas.blend b/packages/frontend/assets/room/objects/wall-canvas/wall-canvas.blend
new file mode 100644
index 0000000000..92327ff5f3
Binary files /dev/null and b/packages/frontend/assets/room/objects/wall-canvas/wall-canvas.blend differ
diff --git a/packages/frontend/assets/room/objects/wall-canvas/wall-canvas.glb b/packages/frontend/assets/room/objects/wall-canvas/wall-canvas.glb
new file mode 100644
index 0000000000..2d5a77c8dd
Binary files /dev/null and b/packages/frontend/assets/room/objects/wall-canvas/wall-canvas.glb differ
diff --git a/packages/frontend/src/utility/room/object-defs.ts b/packages/frontend/src/utility/room/object-defs.ts
index ade15b2564..ff0a9488f6 100644
--- a/packages/frontend/src/utility/room/object-defs.ts
+++ b/packages/frontend/src/utility/room/object-defs.ts
@@ -69,6 +69,7 @@ import { tabletopPictureFrame } from './objects/tabletopPictureFrame.js';
 import { tapestry } from './objects/tapestry.js';
 import { tetrapod } from './objects/tetrapod.js';
 import { tv } from './objects/tv.js';
+import { wallCanvas } from './objects/wallCanvas.js';
 import { wallClock } from './objects/wallClock.js';
 import { wallShelf } from './objects/wallShelf.js';
 import { woodRingFloorLamp } from './objects/woodRingFloorLamp.js';
@@ -140,6 +141,7 @@ export const OBJECT_DEFS = [
 	tapestry,
 	tetrapod,
 	tv,
+	wallCanvas,
 	wallClock,
 	wallShelf,
 	woodRingFloorLamp,
diff --git a/packages/frontend/src/utility/room/objects/wallCanvas.ts b/packages/frontend/src/utility/room/objects/wallCanvas.ts
new file mode 100644
index 0000000000..6c1e9dc61d
--- /dev/null
+++ b/packages/frontend/src/utility/room/objects/wallCanvas.ts
@@ -0,0 +1,125 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as BABYLON from '@babylonjs/core';
+import { defineObject } from '../engine.js';
+import { createPlaneUvMapper, getPlaneUvIndexes } from '../utility.js';
+
+export const wallCanvas = defineObject({
+	id: 'wallCanvas',
+	name: 'wallCanvas',
+	options: {
+		schema: {
+			width: {
+				type: 'range',
+				label: 'Width',
+				min: 0,
+				max: 1,
+				step: 0.01,
+			},
+			height: {
+				type: 'range',
+				label: 'Height',
+				min: 0,
+				max: 1,
+				step: 0.01,
+			},
+			customPicture: {
+				type: 'image',
+				label: 'Custom picture',
+			},
+			fit: {
+				type: 'enum',
+				label: 'Custom picture fit',
+				enum: ['cover', 'contain', 'stretch'],
+			},
+		},
+		default: {
+			width: 0.15,
+			height: 0.15,
+			customPicture: null,
+			fit: 'cover',
+		},
+	},
+	placement: 'side',
+	createInstance: async ({ scene, options, model }) => {
+		const canvasMesh = model.findMesh('__X_CANVAS__');
+		canvasMesh.rotationQuaternion = null;
+
+		const canvasMaterial = model.findMaterial('__X_CANVAS__');
+
+		const updateUv = createPlaneUvMapper(canvasMesh);
+
+		const applyFit = () => {
+			const tex = canvasMaterial.albedoTexture;
+			if (tex == null) return;
+
+			const srcWidth = tex.getSize().width;
+			const srcHeight = tex.getSize().height;
+			const srcAspect = srcWidth / srcHeight;
+			const targetWidth = options.width;
+			const targetHeight = options.height;
+			const targetAspect = targetWidth / targetHeight;
+
+			updateUv(srcAspect, targetAspect, options.fit);
+
+			model.updated();
+		};
+
+		applyFit();
+
+		const applySize = () => {
+			canvasMesh.morphTargetManager!.getTargetByName('Width')!.influence = options.width;
+			canvasMesh.morphTargetManager!.getTargetByName('Height')!.influence = options.height;
+			model.updated();
+
+			applyFit();
+		};
+
+		applySize();
+
+		const applyCustomPicture = () => new Promise<void>((resolve) => {
+			if (options.customPicture != null) {
+				const tex = new BABYLON.Texture(options.customPicture, scene, false, false);
+				tex.wrapU = BABYLON.Texture.MIRROR_ADDRESSMODE;
+				tex.wrapV = BABYLON.Texture.MIRROR_ADDRESSMODE;
+
+				canvasMaterial.unfreeze();
+				canvasMaterial.albedoColor = new BABYLON.Color3(1, 1, 1);
+				canvasMaterial.albedoTexture = tex;
+
+				tex.onLoadObservable.addOnce(() => {
+					applyFit();
+					resolve();
+				});
+			} else {
+				canvasMaterial.albedoColor = new BABYLON.Color3(0.5, 0.5, 0.5);
+				canvasMaterial.albedoTexture = null;
+				resolve();
+			}
+		});
+
+		await applyCustomPicture();
+
+		return {
+			onInited: () => {
+
+			},
+			onOptionsUpdated: ([k, v]) => {
+				switch (k) {
+					case 'width':
+					case 'height':
+						applySize();
+						break;
+					case 'customPicture':
+					case 'fit':
+						applyCustomPicture();
+						break;
+				}
+			},
+			interactions: {},
+		};
+	},
+});