diff --git a/packages/frontend/src/pages/room.add-object-dialog.vue b/packages/frontend/src/pages/room.add-object-dialog.vue
index 2b42745a59..c6847e0fcb 100644
--- a/packages/frontend/src/pages/room.add-object-dialog.vue
+++ b/packages/frontend/src/pages/room.add-object-dialog.vue
@@ -39,8 +39,8 @@ import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive, nextTick,
 import { i18n } from '@/i18n.js';
 import MkModalWindow from '@/components/MkModalWindow.vue';
 import * as os from '@/os.js';
-import { OBJECT_DEFS } from '@/utility/room/object-defs.js';
-import { createRoomObjectPreviewEngine, RoomObjectPreviewEngine } from '@/utility/room/engine.js';
+import { OBJECT_DEFS } from '@/world/room/object-defs.js';
+import { createRoomObjectPreviewEngine, RoomObjectPreviewEngine } from '@/world/room/engine.js';
 
 const emit = defineEmits<{
 	(ev: 'ok', id: string): void;
diff --git a/packages/frontend/src/pages/room.vue b/packages/frontend/src/pages/room.vue
index 04ae524998..dbd40aff3c 100644
--- a/packages/frontend/src/pages/room.vue
+++ b/packages/frontend/src/pages/room.vue
@@ -93,7 +93,7 @@ import * as os from '@/os.js';
 import MkInput from '@/components/MkInput.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkRange from '@/components/MkRange.vue';
-import { RoomController } from '@/utility/room/controller.js';
+import { RoomController } from '@/world/room/controller.js';
 
 const canvas = useTemplateRef('canvas');
 
diff --git a/packages/frontend/src/utility/room/README.md b/packages/frontend/src/world/room/README.md
similarity index 100%
rename from packages/frontend/src/utility/room/README.md
rename to packages/frontend/src/world/room/README.md
diff --git a/packages/frontend/src/utility/room/controller.ts b/packages/frontend/src/world/room/controller.ts
similarity index 100%
rename from packages/frontend/src/utility/room/controller.ts
rename to packages/frontend/src/world/room/controller.ts
diff --git a/packages/frontend/src/utility/room/engine.ts b/packages/frontend/src/world/room/engine.ts
similarity index 99%
rename from packages/frontend/src/utility/room/engine.ts
rename to packages/frontend/src/world/room/engine.ts
index 5cc184f0f4..6ca0d62c32 100644
--- a/packages/frontend/src/utility/room/engine.ts
+++ b/packages/frontend/src/world/room/engine.ts
@@ -14,10 +14,10 @@ import { registerBuiltInLoaders } from '@babylonjs/loaders/dynamic';
 import { BoundingBoxRenderer } from '@babylonjs/core/Rendering/boundingBoxRenderer';
 import { GridMaterial } from '@babylonjs/materials';
 import { EventEmitter } from 'eventemitter3';
-import { genId } from '../id.js';
-import { deepClone } from '../clone.js';
 import { getObjectDef } from './object-defs.js';
 import { HorizontalCameraKeyboardMoveInput, applyMorphTargetsToMesh, camelToKebab, cm, findMaterial, scaleMorph } from './utility.js';
+import { genId } from '@/utility/id.js';
+import { deepClone } from '@/utility/clone.js';
 
 const BAKE_TRANSFORM = false; // 実験的
 const SNAPSHOT_RENDERING = true; // 実験的
diff --git a/packages/frontend/src/utility/room/object-defs.ts b/packages/frontend/src/world/room/object-defs.ts
similarity index 100%
rename from packages/frontend/src/utility/room/object-defs.ts
rename to packages/frontend/src/world/room/object-defs.ts
diff --git a/packages/frontend/src/utility/room/objects/a4Case.ts b/packages/frontend/src/world/room/objects/a4Case.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/a4Case.ts
rename to packages/frontend/src/world/room/objects/a4Case.ts
diff --git a/packages/frontend/src/utility/room/objects/aircon.ts b/packages/frontend/src/world/room/objects/aircon.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/aircon.ts
rename to packages/frontend/src/world/room/objects/aircon.ts
diff --git a/packages/frontend/src/utility/room/objects/allInOnePc.ts b/packages/frontend/src/world/room/objects/allInOnePc.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/allInOnePc.ts
rename to packages/frontend/src/world/room/objects/allInOnePc.ts
diff --git a/packages/frontend/src/utility/room/objects/aquarium.ts b/packages/frontend/src/world/room/objects/aquarium.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/aquarium.ts
rename to packages/frontend/src/world/room/objects/aquarium.ts
diff --git a/packages/frontend/src/utility/room/objects/aromaReedDiffuser.ts b/packages/frontend/src/world/room/objects/aromaReedDiffuser.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/aromaReedDiffuser.ts
rename to packages/frontend/src/world/room/objects/aromaReedDiffuser.ts
diff --git a/packages/frontend/src/utility/room/objects/banknote.ts b/packages/frontend/src/world/room/objects/banknote.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/banknote.ts
rename to packages/frontend/src/world/room/objects/banknote.ts
diff --git a/packages/frontend/src/utility/room/objects/beamLamp.ts b/packages/frontend/src/world/room/objects/beamLamp.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/beamLamp.ts
rename to packages/frontend/src/world/room/objects/beamLamp.ts
diff --git a/packages/frontend/src/utility/room/objects/bed.ts b/packages/frontend/src/world/room/objects/bed.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/bed.ts
rename to packages/frontend/src/world/room/objects/bed.ts
diff --git a/packages/frontend/src/utility/room/objects/blind.ts b/packages/frontend/src/world/room/objects/blind.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/blind.ts
rename to packages/frontend/src/world/room/objects/blind.ts
diff --git a/packages/frontend/src/utility/room/objects/book.ts b/packages/frontend/src/world/room/objects/book.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/book.ts
rename to packages/frontend/src/world/room/objects/book.ts
diff --git a/packages/frontend/src/utility/room/objects/books.ts b/packages/frontend/src/world/room/objects/books.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/books.ts
rename to packages/frontend/src/world/room/objects/books.ts
diff --git a/packages/frontend/src/utility/room/objects/cactusS.ts b/packages/frontend/src/world/room/objects/cactusS.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/cactusS.ts
rename to packages/frontend/src/world/room/objects/cactusS.ts
diff --git a/packages/frontend/src/utility/room/objects/cardboardBox.ts b/packages/frontend/src/world/room/objects/cardboardBox.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/cardboardBox.ts
rename to packages/frontend/src/world/room/objects/cardboardBox.ts
diff --git a/packages/frontend/src/utility/room/objects/ceilingFanLight.ts b/packages/frontend/src/world/room/objects/ceilingFanLight.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/ceilingFanLight.ts
rename to packages/frontend/src/world/room/objects/ceilingFanLight.ts
diff --git a/packages/frontend/src/utility/room/objects/chair.ts b/packages/frontend/src/world/room/objects/chair.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/chair.ts
rename to packages/frontend/src/world/room/objects/chair.ts
diff --git a/packages/frontend/src/utility/room/objects/coffeeCup.ts b/packages/frontend/src/world/room/objects/coffeeCup.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/coffeeCup.ts
rename to packages/frontend/src/world/room/objects/coffeeCup.ts
diff --git a/packages/frontend/src/utility/room/objects/colorBox.ts b/packages/frontend/src/world/room/objects/colorBox.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/colorBox.ts
rename to packages/frontend/src/world/room/objects/colorBox.ts
diff --git a/packages/frontend/src/utility/room/objects/cuboid.ts b/packages/frontend/src/world/room/objects/cuboid.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/cuboid.ts
rename to packages/frontend/src/world/room/objects/cuboid.ts
diff --git a/packages/frontend/src/utility/room/objects/cupNoodle.ts b/packages/frontend/src/world/room/objects/cupNoodle.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/cupNoodle.ts
rename to packages/frontend/src/world/room/objects/cupNoodle.ts
diff --git a/packages/frontend/src/utility/room/objects/custardPudding.ts b/packages/frontend/src/world/room/objects/custardPudding.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/custardPudding.ts
rename to packages/frontend/src/world/room/objects/custardPudding.ts
diff --git a/packages/frontend/src/utility/room/objects/debugHipoly.ts b/packages/frontend/src/world/room/objects/debugHipoly.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/debugHipoly.ts
rename to packages/frontend/src/world/room/objects/debugHipoly.ts
diff --git a/packages/frontend/src/utility/room/objects/desk.ts b/packages/frontend/src/world/room/objects/desk.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/desk.ts
rename to packages/frontend/src/world/room/objects/desk.ts
diff --git a/packages/frontend/src/utility/room/objects/desktopPc.ts b/packages/frontend/src/world/room/objects/desktopPc.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/desktopPc.ts
rename to packages/frontend/src/world/room/objects/desktopPc.ts
diff --git a/packages/frontend/src/utility/room/objects/djMixer.ts b/packages/frontend/src/world/room/objects/djMixer.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/djMixer.ts
rename to packages/frontend/src/world/room/objects/djMixer.ts
diff --git a/packages/frontend/src/utility/room/objects/djPlayer.ts b/packages/frontend/src/world/room/objects/djPlayer.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/djPlayer.ts
rename to packages/frontend/src/world/room/objects/djPlayer.ts
diff --git a/packages/frontend/src/utility/room/objects/ductTape.ts b/packages/frontend/src/world/room/objects/ductTape.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/ductTape.ts
rename to packages/frontend/src/world/room/objects/ductTape.ts
diff --git a/packages/frontend/src/utility/room/objects/emptyBento.ts b/packages/frontend/src/world/room/objects/emptyBento.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/emptyBento.ts
rename to packages/frontend/src/world/room/objects/emptyBento.ts
diff --git a/packages/frontend/src/utility/room/objects/energyDrink.ts b/packages/frontend/src/world/room/objects/energyDrink.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/energyDrink.ts
rename to packages/frontend/src/world/room/objects/energyDrink.ts
diff --git a/packages/frontend/src/utility/room/objects/envelope.ts b/packages/frontend/src/world/room/objects/envelope.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/envelope.ts
rename to packages/frontend/src/world/room/objects/envelope.ts
diff --git a/packages/frontend/src/utility/room/objects/facialTissue.ts b/packages/frontend/src/world/room/objects/facialTissue.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/facialTissue.ts
rename to packages/frontend/src/world/room/objects/facialTissue.ts
diff --git a/packages/frontend/src/utility/room/objects/hangingTShirt.ts b/packages/frontend/src/world/room/objects/hangingTShirt.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/hangingTShirt.ts
rename to packages/frontend/src/world/room/objects/hangingTShirt.ts
diff --git a/packages/frontend/src/utility/room/objects/icosahedron.ts b/packages/frontend/src/world/room/objects/icosahedron.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/icosahedron.ts
rename to packages/frontend/src/world/room/objects/icosahedron.ts
diff --git a/packages/frontend/src/utility/room/objects/ironFrameShelf.ts b/packages/frontend/src/world/room/objects/ironFrameShelf.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/ironFrameShelf.ts
rename to packages/frontend/src/world/room/objects/ironFrameShelf.ts
diff --git a/packages/frontend/src/utility/room/objects/ironFrameTable.ts b/packages/frontend/src/world/room/objects/ironFrameTable.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/ironFrameTable.ts
rename to packages/frontend/src/world/room/objects/ironFrameTable.ts
diff --git a/packages/frontend/src/utility/room/objects/keyboard.ts b/packages/frontend/src/world/room/objects/keyboard.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/keyboard.ts
rename to packages/frontend/src/world/room/objects/keyboard.ts
diff --git a/packages/frontend/src/utility/room/objects/laptopPc.ts b/packages/frontend/src/world/room/objects/laptopPc.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/laptopPc.ts
rename to packages/frontend/src/world/room/objects/laptopPc.ts
diff --git a/packages/frontend/src/utility/room/objects/lavaLamp.ts b/packages/frontend/src/world/room/objects/lavaLamp.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/lavaLamp.ts
rename to packages/frontend/src/world/room/objects/lavaLamp.ts
diff --git a/packages/frontend/src/utility/room/objects/letterCase.ts b/packages/frontend/src/world/room/objects/letterCase.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/letterCase.ts
rename to packages/frontend/src/world/room/objects/letterCase.ts
diff --git a/packages/frontend/src/utility/room/objects/mi-objet.ts b/packages/frontend/src/world/room/objects/mi-objet.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/mi-objet.ts
rename to packages/frontend/src/world/room/objects/mi-objet.ts
diff --git a/packages/frontend/src/utility/room/objects/miPlate.ts b/packages/frontend/src/world/room/objects/miPlate.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/miPlate.ts
rename to packages/frontend/src/world/room/objects/miPlate.ts
diff --git a/packages/frontend/src/utility/room/objects/miPlateDisplayed.ts b/packages/frontend/src/world/room/objects/miPlateDisplayed.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/miPlateDisplayed.ts
rename to packages/frontend/src/world/room/objects/miPlateDisplayed.ts
diff --git a/packages/frontend/src/utility/room/objects/milk.ts b/packages/frontend/src/world/room/objects/milk.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/milk.ts
rename to packages/frontend/src/world/room/objects/milk.ts
diff --git a/packages/frontend/src/utility/room/objects/mixer.ts b/packages/frontend/src/world/room/objects/mixer.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/mixer.ts
rename to packages/frontend/src/world/room/objects/mixer.ts
diff --git a/packages/frontend/src/utility/room/objects/monitor.ts b/packages/frontend/src/world/room/objects/monitor.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/monitor.ts
rename to packages/frontend/src/world/room/objects/monitor.ts
diff --git a/packages/frontend/src/utility/room/objects/monitorSpeaker.ts b/packages/frontend/src/world/room/objects/monitorSpeaker.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/monitorSpeaker.ts
rename to packages/frontend/src/world/room/objects/monitorSpeaker.ts
diff --git a/packages/frontend/src/utility/room/objects/monstera.ts b/packages/frontend/src/world/room/objects/monstera.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/monstera.ts
rename to packages/frontend/src/world/room/objects/monstera.ts
diff --git a/packages/frontend/src/utility/room/objects/mug.ts b/packages/frontend/src/world/room/objects/mug.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/mug.ts
rename to packages/frontend/src/world/room/objects/mug.ts
diff --git a/packages/frontend/src/utility/room/objects/newtonsCradle.ts b/packages/frontend/src/world/room/objects/newtonsCradle.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/newtonsCradle.ts
rename to packages/frontend/src/world/room/objects/newtonsCradle.ts
diff --git a/packages/frontend/src/utility/room/objects/openedCardboardBox.ts b/packages/frontend/src/world/room/objects/openedCardboardBox.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/openedCardboardBox.ts
rename to packages/frontend/src/world/room/objects/openedCardboardBox.ts
diff --git a/packages/frontend/src/utility/room/objects/pachira.ts b/packages/frontend/src/world/room/objects/pachira.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/pachira.ts
rename to packages/frontend/src/world/room/objects/pachira.ts
diff --git a/packages/frontend/src/utility/room/objects/pc.ts b/packages/frontend/src/world/room/objects/pc.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/pc.ts
rename to packages/frontend/src/world/room/objects/pc.ts
diff --git a/packages/frontend/src/utility/room/objects/petBottle.ts b/packages/frontend/src/world/room/objects/petBottle.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/petBottle.ts
rename to packages/frontend/src/world/room/objects/petBottle.ts
diff --git a/packages/frontend/src/utility/room/objects/piano.ts b/packages/frontend/src/world/room/objects/piano.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/piano.ts
rename to packages/frontend/src/world/room/objects/piano.ts
diff --git a/packages/frontend/src/utility/room/objects/pictureFrame.ts b/packages/frontend/src/world/room/objects/pictureFrame.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/pictureFrame.ts
rename to packages/frontend/src/world/room/objects/pictureFrame.ts
diff --git a/packages/frontend/src/utility/room/objects/pizza.ts b/packages/frontend/src/world/room/objects/pizza.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/pizza.ts
rename to packages/frontend/src/world/room/objects/pizza.ts
diff --git a/packages/frontend/src/utility/room/objects/plant.ts b/packages/frontend/src/world/room/objects/plant.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/plant.ts
rename to packages/frontend/src/world/room/objects/plant.ts
diff --git a/packages/frontend/src/utility/room/objects/plant2.ts b/packages/frontend/src/world/room/objects/plant2.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/plant2.ts
rename to packages/frontend/src/world/room/objects/plant2.ts
diff --git a/packages/frontend/src/utility/room/objects/poster.ts b/packages/frontend/src/world/room/objects/poster.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/poster.ts
rename to packages/frontend/src/world/room/objects/poster.ts
diff --git a/packages/frontend/src/utility/room/objects/powerStrip.ts b/packages/frontend/src/world/room/objects/powerStrip.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/powerStrip.ts
rename to packages/frontend/src/world/room/objects/powerStrip.ts
diff --git a/packages/frontend/src/utility/room/objects/radiometer.ts b/packages/frontend/src/world/room/objects/radiometer.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/radiometer.ts
rename to packages/frontend/src/world/room/objects/radiometer.ts
diff --git a/packages/frontend/src/utility/room/objects/randomBooks.ts b/packages/frontend/src/world/room/objects/randomBooks.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/randomBooks.ts
rename to packages/frontend/src/world/room/objects/randomBooks.ts
diff --git a/packages/frontend/src/utility/room/objects/rolledUpPoster.ts b/packages/frontend/src/world/room/objects/rolledUpPoster.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/rolledUpPoster.ts
rename to packages/frontend/src/world/room/objects/rolledUpPoster.ts
diff --git a/packages/frontend/src/utility/room/objects/roundRug.ts b/packages/frontend/src/world/room/objects/roundRug.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/roundRug.ts
rename to packages/frontend/src/world/room/objects/roundRug.ts
diff --git a/packages/frontend/src/utility/room/objects/router.ts b/packages/frontend/src/world/room/objects/router.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/router.ts
rename to packages/frontend/src/world/room/objects/router.ts
diff --git a/packages/frontend/src/utility/room/objects/siphon.ts b/packages/frontend/src/world/room/objects/siphon.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/siphon.ts
rename to packages/frontend/src/world/room/objects/siphon.ts
diff --git a/packages/frontend/src/utility/room/objects/snakeplant.ts b/packages/frontend/src/world/room/objects/snakeplant.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/snakeplant.ts
rename to packages/frontend/src/world/room/objects/snakeplant.ts
diff --git a/packages/frontend/src/utility/room/objects/speaker.ts b/packages/frontend/src/world/room/objects/speaker.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/speaker.ts
rename to packages/frontend/src/world/room/objects/speaker.ts
diff --git a/packages/frontend/src/utility/room/objects/sprayer.ts b/packages/frontend/src/world/room/objects/sprayer.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/sprayer.ts
rename to packages/frontend/src/world/room/objects/sprayer.ts
diff --git a/packages/frontend/src/utility/room/objects/steelRack.ts b/packages/frontend/src/world/room/objects/steelRack.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/steelRack.ts
rename to packages/frontend/src/world/room/objects/steelRack.ts
diff --git a/packages/frontend/src/utility/room/objects/tabletopCalendar.ts b/packages/frontend/src/world/room/objects/tabletopCalendar.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tabletopCalendar.ts
rename to packages/frontend/src/world/room/objects/tabletopCalendar.ts
diff --git a/packages/frontend/src/utility/room/objects/tabletopDigitalClock.ts b/packages/frontend/src/world/room/objects/tabletopDigitalClock.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tabletopDigitalClock.ts
rename to packages/frontend/src/world/room/objects/tabletopDigitalClock.ts
diff --git a/packages/frontend/src/utility/room/objects/tabletopFlag.ts b/packages/frontend/src/world/room/objects/tabletopFlag.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tabletopFlag.ts
rename to packages/frontend/src/world/room/objects/tabletopFlag.ts
diff --git a/packages/frontend/src/utility/room/objects/tabletopGlassPictureFrame.ts b/packages/frontend/src/world/room/objects/tabletopGlassPictureFrame.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tabletopGlassPictureFrame.ts
rename to packages/frontend/src/world/room/objects/tabletopGlassPictureFrame.ts
diff --git a/packages/frontend/src/utility/room/objects/tabletopIronFrameStand.ts b/packages/frontend/src/world/room/objects/tabletopIronFrameStand.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tabletopIronFrameStand.ts
rename to packages/frontend/src/world/room/objects/tabletopIronFrameStand.ts
diff --git a/packages/frontend/src/utility/room/objects/tabletopPictureFrame.ts b/packages/frontend/src/world/room/objects/tabletopPictureFrame.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tabletopPictureFrame.ts
rename to packages/frontend/src/world/room/objects/tabletopPictureFrame.ts
diff --git a/packages/frontend/src/utility/room/objects/tapestry.ts b/packages/frontend/src/world/room/objects/tapestry.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tapestry.ts
rename to packages/frontend/src/world/room/objects/tapestry.ts
diff --git a/packages/frontend/src/utility/room/objects/tetrapod.ts b/packages/frontend/src/world/room/objects/tetrapod.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tetrapod.ts
rename to packages/frontend/src/world/room/objects/tetrapod.ts
diff --git a/packages/frontend/src/utility/room/objects/tv.ts b/packages/frontend/src/world/room/objects/tv.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/tv.ts
rename to packages/frontend/src/world/room/objects/tv.ts
diff --git a/packages/frontend/src/utility/room/objects/twistedCubeObjet.ts b/packages/frontend/src/world/room/objects/twistedCubeObjet.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/twistedCubeObjet.ts
rename to packages/frontend/src/world/room/objects/twistedCubeObjet.ts
diff --git a/packages/frontend/src/utility/room/objects/usedTissue.ts b/packages/frontend/src/world/room/objects/usedTissue.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/usedTissue.ts
rename to packages/frontend/src/world/room/objects/usedTissue.ts
diff --git a/packages/frontend/src/utility/room/objects/wallCanvas.ts b/packages/frontend/src/world/room/objects/wallCanvas.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/wallCanvas.ts
rename to packages/frontend/src/world/room/objects/wallCanvas.ts
diff --git a/packages/frontend/src/utility/room/objects/wallClock.ts b/packages/frontend/src/world/room/objects/wallClock.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/wallClock.ts
rename to packages/frontend/src/world/room/objects/wallClock.ts
diff --git a/packages/frontend/src/utility/room/objects/wallGlassPictureFrame.ts b/packages/frontend/src/world/room/objects/wallGlassPictureFrame.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/wallGlassPictureFrame.ts
rename to packages/frontend/src/world/room/objects/wallGlassPictureFrame.ts
diff --git a/packages/frontend/src/utility/room/objects/wallMirror.ts b/packages/frontend/src/world/room/objects/wallMirror.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/wallMirror.ts
rename to packages/frontend/src/world/room/objects/wallMirror.ts
diff --git a/packages/frontend/src/utility/room/objects/wallShelf.ts b/packages/frontend/src/world/room/objects/wallShelf.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/wallShelf.ts
rename to packages/frontend/src/world/room/objects/wallShelf.ts
diff --git a/packages/frontend/src/utility/room/objects/woodRingFloorLamp.ts b/packages/frontend/src/world/room/objects/woodRingFloorLamp.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/woodRingFloorLamp.ts
rename to packages/frontend/src/world/room/objects/woodRingFloorLamp.ts
diff --git a/packages/frontend/src/utility/room/objects/woodRingsPendantLight.ts b/packages/frontend/src/world/room/objects/woodRingsPendantLight.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/woodRingsPendantLight.ts
rename to packages/frontend/src/world/room/objects/woodRingsPendantLight.ts
diff --git a/packages/frontend/src/utility/room/objects/woodSoundAbsorbingPanel.ts b/packages/frontend/src/world/room/objects/woodSoundAbsorbingPanel.ts
similarity index 100%
rename from packages/frontend/src/utility/room/objects/woodSoundAbsorbingPanel.ts
rename to packages/frontend/src/world/room/objects/woodSoundAbsorbingPanel.ts
diff --git a/packages/frontend/src/utility/room/utility.ts b/packages/frontend/src/world/room/utility.ts
similarity index 100%
rename from packages/frontend/src/utility/room/utility.ts
rename to packages/frontend/src/world/room/utility.ts
diff --git a/packages/frontend/src/utility/room/worker.ts b/packages/frontend/src/world/room/worker.ts
similarity index 100%
rename from packages/frontend/src/utility/room/worker.ts
rename to packages/frontend/src/world/room/worker.ts