diff --git a/app/main/diceRoll/diceRollSessionStore.test.ts b/app/main/diceRoll/diceRollSessionStore.test.ts
new file mode 100644
index 0000000..187af2b
--- /dev/null
+++ b/app/main/diceRoll/diceRollSessionStore.test.ts
@@ -0,0 +1,64 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { DiceRollSessionStore } from './diceRollSessionStore';
+import {
+  D100_FACE_VALUES,
+  formatPredeterminedDiceNotation,
+  snapD100Value,
+} from '../../shared/types/diceRoll';
+
+void test('diceRoll: roll produces values in range and notation', () => {
+  const store = new DiceRollSessionStore();
+  store.dispatch({ kind: 'roll', count: 3, sides: 6 });
+  const st = store.getState();
+  assert.equal(st.active, true);
+  assert.equal(st.notation, '3d6');
+  assert.equal(st.values.length, 3);
+  assert.ok(st.values.every((v) => v >= 1 && v <= 6));
+  assert.equal(st.total, st.values.reduce((a, b) => a + b, 0));
+});
+
+void test('diceRoll: d100 values are tens faces only', () => {
+  const store = new DiceRollSessionStore();
+  store.dispatch({ kind: 'roll', count: 5, sides: 100 });
+  const st = store.getState();
+  assert.equal(st.notation, '5d100');
+  assert.equal(st.values.length, 5);
+  const allowed = new Set<number>(D100_FACE_VALUES);
+  assert.ok(st.values.every((v) => allowed.has(v)));
+  assert.equal(st.total, st.values.reduce((a, b) => a + b, 0));
+});
+
+void test('diceRoll: clear resets', () => {
+  const store = new DiceRollSessionStore();
+  store.dispatch({ kind: 'roll', count: 1, sides: 20 });
+  store.dispatch({ kind: 'clear' });
+  assert.equal(store.getState().active, false);
+  assert.deepEqual(store.getState().values, []);
+});
+
+void test('diceRoll: hideOverlay keeps values for master UI', () => {
+  const store = new DiceRollSessionStore();
+  store.dispatch({ kind: 'roll', count: 2, sides: 6 });
+  const values = [...store.getState().values];
+  const total = store.getState().total;
+  store.dispatch({ kind: 'hideOverlay' });
+  assert.equal(store.getState().active, false);
+  assert.deepEqual(store.getState().values, values);
+  assert.equal(store.getState().total, total);
+  assert.equal(store.getState().notation, '2d6');
+});
+
+void test('formatPredeterminedDiceNotation', () => {
+  assert.equal(formatPredeterminedDiceNotation(2, 20, [15, 7]), '2d20@15,7');
+  assert.equal(formatPredeterminedDiceNotation(2, 100, [20, 100]), '2d100@20,100');
+  assert.equal(formatPredeterminedDiceNotation(1, 100, [27]), '1d100@30');
+});
+
+void test('snapD100Value', () => {
+  assert.equal(snapD100Value(20), 20);
+  assert.equal(snapD100Value(21), 30);
+  assert.equal(snapD100Value(100), 100);
+  assert.equal(snapD100Value(1), 10);
+});
diff --git a/app/main/diceRoll/diceRollSessionStore.ts b/app/main/diceRoll/diceRollSessionStore.ts
new file mode 100644
index 0000000..17c5aa5
--- /dev/null
+++ b/app/main/diceRoll/diceRollSessionStore.ts
@@ -0,0 +1,64 @@
+import {
+  clampDiceCount,
+  createInitialDiceRollState,
+  formatDiceNotation,
+  isDiceSides,
+  rollDiceValues,
+  type DiceRollEvent,
+  type DiceRollState,
+} from '../../shared/types/diceRoll';
+
+export class DiceRollSessionStore {
+  private state: DiceRollState = createInitialDiceRollState();
+
+  getState(): DiceRollState {
+    return this.state;
+  }
+
+  clear(): DiceRollState {
+    this.state = createInitialDiceRollState();
+    return this.state;
+  }
+
+  dispatch(event: DiceRollEvent): DiceRollState {
+    switch (event.kind) {
+      case 'clear': {
+        if (!this.state.active && this.state.values.length === 0) return this.state;
+        this.state = {
+          ...createInitialDiceRollState(),
+          revision: this.state.revision + 1,
+        };
+        return this.state;
+      }
+      case 'hideOverlay': {
+        if (!this.state.active) return this.state;
+        this.state = {
+          ...this.state,
+          revision: this.state.revision + 1,
+          active: false,
+          startedAt: null,
+        };
+        return this.state;
+      }
+      case 'roll': {
+        if (!isDiceSides(event.sides)) return this.state;
+        const count = clampDiceCount(event.count);
+        const values = rollDiceValues(count, event.sides);
+        const total = values.reduce((a, b) => a + b, 0);
+        this.state = {
+          revision: this.state.revision + 1,
+          active: true,
+          notation: formatDiceNotation(count, event.sides),
+          values,
+          total,
+          startedAt: Date.now(),
+        };
+        return this.state;
+      }
+      default: {
+        const _exhaustive: never = event;
+        return _exhaustive;
+      }
+    }
+  }
+}
diff --git a/app/main/index.ts b/app/main/index.ts
index cd350d2..bdc33c5 100644
--- a/app/main/index.ts
+++ b/app/main/index.ts
@@ -37,6 +37,7 @@ import { MaterialsOverlayStore } from './materials/materialsOverlayStore';
 import { NpcsOverlayStore } from './npcs/npcsOverlayStore';
 import { TimerSessionStore } from './sessionTimer/timerSessionStore';
 import { InitiativeSessionStore } from './initiative/initiativeSessionStore';
+import { DiceRollSessionStore } from './diceRoll/diceRollSessionStore';
 import { ZipProjectStore } from './project/zipStore';
 import { SceneViewStore } from './sceneView/sceneViewStore';
 import { registerDndAssetProtocol } from './protocol/dndAssetProtocol';
@@ -72,6 +73,7 @@ import {
   openPlaylistsWindow,
   openTimerWindow,
   openInitiativeWindow,
+  openDiceWindow,
   openMultiWindow,
   openNpcsEditorWindow,
   openSceneEditorWindow,
@@ -82,6 +84,7 @@ import {
   closePlaylistsWindow,
   closeTimerWindow,
   closeInitiativeWindow,
+  closeDiceWindow,
   closeNpcsEditorWindow,
   closeSceneEditorWindow,
   closeTokenPathEditorWindow,
@@ -187,6 +190,7 @@ const materialsOverlayStore = new MaterialsOverlayStore();
 const npcsOverlayStore = new NpcsOverlayStore();
 const timerSessionStore = new TimerSessionStore();
 const initiativeSessionStore = new InitiativeSessionStore();
+const diceRollSessionStore = new DiceRollSessionStore();
 const sceneTokensSessionStore = new SceneTokensSessionStore();
 const tokenPathSessionStore = new TokenPathSessionStore();
 const sceneNpcTokensSessionStore = new SceneNpcTokensSessionStore();
@@ -300,6 +304,18 @@ function emitInitiativeState(): void {
   }
 }
 
+function emitDiceRollState(): void {
+  const state = diceRollSessionStore.getState();
+  for (const win of BrowserWindow.getAllWindows()) {
+    if (win.isDestroyed() || win.webContents.isDestroyed()) continue;
+    try {
+      win.webContents.send(ipcChannels.diceRoll.stateChanged, { state });
+    } catch {
+      /* teardown */
+    }
+  }
+}
+
 function syncInitiativePresenceFromSession(): void {
   const project = projectStore.getOpenProject();
   const sceneId = project?.currentSceneId ?? null;
@@ -637,6 +653,7 @@ async function main() {
     tokenGridSnapSessionStore.reset();
     timerSessionStore.clear();
     initiativeSessionStore.clear();
+    diceRollSessionStore.clear();
     if (USERS_BRANCH_FEATURES_ENABLED) {
       const playerIds = Array.isArray(req?.playerIds) ? req.playerIds.map(String).filter(Boolean) : [];
       if (playerIds.length > 0) {
@@ -665,15 +682,18 @@ async function main() {
     emitSessionTimerState();
     syncInitiativePresenceFromSession();
     emitInitiativeState();
+    emitDiceRollState();
     return { ok: true };
   });
   registerHandler(ipcChannels.windows.closeMultiWindow, () => {
     closeMultiWindow();
     timerSessionStore.clear();
     initiativeSessionStore.clear();
+    diceRollSessionStore.clear();
     tokenGridSnapSessionStore.reset();
     emitSessionTimerState();
     emitInitiativeState();
+    emitDiceRollState();
     emitTokenGridSnapState();
     return { ok: true };
   });
@@ -755,6 +775,14 @@ async function main() {
     emitInitiativeState();
     return { ok: true };
   });
+  registerHandler(ipcChannels.windows.openDice, () => {
+    openDiceWindow();
+    return { ok: true };
+  });
+  registerHandler(ipcChannels.windows.closeDice, () => {
+    closeDiceWindow();
+    return { ok: true };
+  });
   registerHandler(ipcChannels.windows.openNpcsEditor, () => {
     openNpcsEditorWindow();
     return { ok: true };
@@ -827,6 +855,14 @@ async function main() {
     emitInitiativeState();
     return { state: initiativeSessionStore.getState() };
   });
+  registerHandler(ipcChannels.diceRoll.getState, () => {
+    return { state: diceRollSessionStore.getState() };
+  });
+  registerHandler(ipcChannels.diceRoll.dispatch, ({ event }) => {
+    diceRollSessionStore.dispatch(event);
+    emitDiceRollState();
+    return { state: diceRollSessionStore.getState() };
+  });
 
   registerHandler(ipcChannels.project.list, async () => {
     const projects = await projectStore.listProjects();
@@ -870,6 +906,7 @@ async function main() {
     npcsOverlayStore.clear();
     timerSessionStore.clear();
     initiativeSessionStore.clear();
+    diceRollSessionStore.clear();
     sceneDarknessStore.resetSession();
     sceneMarkerStore.resetSession();
     sceneTrapsStore.resetSession();
@@ -884,6 +921,7 @@ async function main() {
     emitNpcsOverlayState();
     emitSessionTimerState();
     emitInitiativeState();
+    emitDiceRollState();
     emitSceneDarknessState();
     emitSceneMarkerState();
     emitSceneTrapsState();
diff --git a/app/main/windows/createWindows.editorClose.test.ts b/app/main/windows/createWindows.editorClose.test.ts
index fc5b1ed..71b5709 100644
--- a/app/main/windows/createWindows.editorClose.test.ts
+++ b/app/main/windows/createWindows.editorClose.test.ts
@@ -68,6 +68,14 @@ void test('createWindows: окно инициативы закрывается 
   assert.match(src, /closePlaySessionAuxiliaryWindows[\s\S]*closeInitiativeWindow/);
 });
 
+void test('createWindows: окно кубиков закрывается с multi-window', () => {
+  const src = readCreateWindows();
+  assert.ok(src.includes('openDiceWindow'));
+  assert.ok(src.includes('closeDiceWindow'));
+  assert.ok(src.includes("createWindow('dice'"));
+  assert.match(src, /closePlaySessionAuxiliaryWindows[\s\S]*closeDiceWindow/);
+});
+
 void test('createWindows: окно НПС закрывается с multi-window', () => {
   const src = readCreateWindows();
   assert.ok(src.includes('openNpcsWindow'));
diff --git a/app/main/windows/createWindows.ts b/app/main/windows/createWindows.ts
index 1a6a3bc..b97b2d3 100644
--- a/app/main/windows/createWindows.ts
+++ b/app/main/windows/createWindows.ts
@@ -23,6 +23,7 @@ export type WindowKind =
   | 'playlists'
   | 'timer'
   | 'initiative'
+  | 'dice'
   | 'npcsEditor'
   | 'sceneEditor'
   | 'tokenPathEditor'
@@ -69,6 +70,10 @@ const TIMER_WINDOW_HEIGHT = 420;
 const INITIATIVE_WINDOW_WIDTH = 920;
 const INITIATIVE_WINDOW_HEIGHT = 420;
 
+/** Компактное окно броска кубиков. */
+const DICE_WINDOW_WIDTH = 380;
+const DICE_WINDOW_HEIGHT = 420;
+
 /** Редактор НПС — как основной редактор, шире инспектор. */
 const NPCS_EDITOR_WINDOW_WIDTH = 1400;
 const NPCS_EDITOR_WINDOW_HEIGHT = 860;
@@ -181,6 +186,7 @@ function closePlaySessionAuxiliaryWindows(): void {
   closePlaylistsWindow();
   closeTimerWindow();
   closeInitiativeWindow();
+  closeDiceWindow();
   closeNpcsWindow();
 }
 
@@ -235,6 +241,8 @@ function pageNameForKind(kind: WindowKind): string {
       return 'timer.html';
     case 'initiative':
       return 'initiative.html';
+    case 'dice':
+      return 'dice.html';
     case 'npcsEditor':
       return 'npcsEditor.html';
     case 'sceneEditor':
@@ -313,6 +321,7 @@ function windowSizeForKind(kind: WindowKind): { width: number; height: number }
   if (kind === 'playlists') return { width: PLAYLISTS_WINDOW_WIDTH, height: PLAYLISTS_WINDOW_HEIGHT };
   if (kind === 'timer') return { width: TIMER_WINDOW_WIDTH, height: TIMER_WINDOW_HEIGHT };
   if (kind === 'initiative') return { width: INITIATIVE_WINDOW_WIDTH, height: INITIATIVE_WINDOW_HEIGHT };
+  if (kind === 'dice') return { width: DICE_WINDOW_WIDTH, height: DICE_WINDOW_HEIGHT };
   if (kind === 'npcsEditor') return { width: NPCS_EDITOR_WINDOW_WIDTH, height: NPCS_EDITOR_WINDOW_HEIGHT };
   if (kind === 'sceneEditor') return { width: 1280, height: 800 };
   if (kind === 'tokenPathEditor') return { width: 1100, height: 760 };
@@ -636,6 +645,13 @@ export function closeInitiativeWindow(): void {
   }
 }
 
+export function closeDiceWindow(): void {
+  const win = windows.get('dice');
+  if (win && !win.isDestroyed()) {
+    win.close();
+  }
+}
+
 export function closeNpcsEditorWindow(): void {
   const win = windows.get('npcsEditor');
   if (win && !win.isDestroyed()) {
@@ -890,6 +906,36 @@ export function openInitiativeWindow(opts?: { onClosed?: () => void }): void {
   });
 }
 
+export function openDiceWindow(): void {
+  const existing = windows.get('dice');
+  if (existing && !existing.isDestroyed()) {
+    if (existing.isMinimized()) existing.restore();
+    existing.show();
+    existing.focus();
+    existing.moveTop();
+    return;
+  }
+
+  const parent = windows.get('control') ?? windows.get('presentation');
+  const win = createWindow('dice', parent ? { parent } : undefined);
+  const { width, height } = win.getBounds();
+  const display = screen.getDisplayMatching(parent?.getBounds() ?? win.getBounds());
+  const { x, y, width: dw, height: dh } = display.workArea;
+  win.setBounds({
+    x: Math.round(x + Math.max(0, (dw - width) / 2)),
+    y: Math.round(y + Math.max(0, (dh - height) / 2)),
+    width,
+    height,
+  });
+  win.webContents.once('did-finish-load', () => {
+    if (!win.isDestroyed()) {
+      win.show();
+      win.focus();
+      win.moveTop();
+    }
+  });
+}
+
 function positionNpcsEditorWindow(win: BrowserWindow): void {
   const parent = windows.get('editor');
   const { width, height } = win.getBounds();
diff --git a/app/renderer/control/ControlApp.tsx b/app/renderer/control/ControlApp.tsx
index 52290a4..44e9948 100644
--- a/app/renderer/control/ControlApp.tsx
+++ b/app/renderer/control/ControlApp.tsx
@@ -1875,6 +1875,22 @@ export function ControlApp() {
               ⚔
             </span>
           </Button>
+          <Button
+            variant="ghost"
+            iconOnly
+            title={t('control.diceTool')}
+            ariaLabel={t('control.diceTool')}
+            data-testid="control-dice-tool"
+            onClick={() => {
+              void api.invoke(ipcChannels.windows.openDice, {}).catch((err) => {
+                console.error('[control] openDice failed', err);
+              });
+            }}
+          >
+            <span className={styles.iconGlyph} aria-hidden>
+              🎲
+            </span>
+          </Button>
           <Button
             variant="ghost"
             iconOnly
diff --git a/app/renderer/dice.html b/app/renderer/dice.html
new file mode 100644
index 0000000..f4e6eab
--- /dev/null
+++ b/app/renderer/dice.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" href="/app-window-icon.png" type="image/png" />
+    <title>TTRPG</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/dice/main.tsx"></script>
+  </body>
+</html>
diff --git a/app/renderer/dice/DiceApp.module.css b/app/renderer/dice/DiceApp.module.css
new file mode 100644
index 0000000..6e2d257
--- /dev/null
+++ b/app/renderer/dice/DiceApp.module.css
@@ -0,0 +1,128 @@
+.page {
+  height: 100vh;
+  box-sizing: border-box;
+  padding: 16px;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  background: var(--bg);
+  color: var(--text);
+}
+
+.sectionLabel {
+  font-size: var(--text-xs);
+  font-weight: 800;
+  letter-spacing: 0.06em;
+  color: var(--text2);
+  text-transform: uppercase;
+}
+
+.sidesGrid {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 8px;
+}
+
+.sidesGrid > * {
+  width: 100%;
+  max-width: none;
+}
+
+.sidesGrid button {
+  width: 100%;
+  justify-content: center;
+}
+
+.countRow {
+  display: grid;
+  grid-template-columns: 48px 1fr 48px;
+  gap: 8px;
+  align-items: center;
+}
+
+.countValue {
+  text-align: center;
+  font-size: 28px;
+  font-weight: 800;
+  font-variant-numeric: tabular-nums;
+  border: 1px solid var(--stroke);
+  border-radius: var(--radius-sm);
+  padding: 8px;
+  background: var(--color-overlay-dark-3, rgba(0, 0, 0, 0.28));
+}
+
+.actions {
+  display: grid;
+  grid-template-columns: 1.4fr 1fr;
+  gap: 8px;
+  margin-top: 4px;
+}
+
+.actions > * {
+  width: 100%;
+  max-width: none;
+}
+
+.actions button {
+  width: 100%;
+  justify-content: center;
+}
+
+.lastResult {
+  margin-top: auto;
+  padding: 12px;
+  border-radius: var(--radius-sm);
+  border: 1px solid var(--stroke);
+  background: var(--color-overlay-dark-3, rgba(0, 0, 0, 0.28));
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.lastLabel {
+  font-size: 11px;
+  font-weight: 700;
+  color: var(--text2);
+}
+
+.lastNotation {
+  font-size: 13px;
+  font-weight: 700;
+  color: #93c5fd;
+}
+
+.valueChips {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+}
+
+.valueChip {
+  min-width: 36px;
+  padding: 6px 10px;
+  border-radius: 8px;
+  border: 1px solid rgba(245, 197, 66, 0.55);
+  background: rgba(245, 197, 66, 0.12);
+  color: #fef3c7;
+  font-size: 18px;
+  font-weight: 800;
+  font-variant-numeric: tabular-nums;
+  text-align: center;
+}
+
+.lastTotal {
+  font-size: 16px;
+  font-variant-numeric: tabular-nums;
+}
+
+.rollingHint {
+  font-size: 12px;
+  color: var(--text2);
+}
+
+.emptyResult {
+  margin-top: auto;
+  padding: 12px;
+  color: var(--text2);
+  font-size: var(--text-sm);
+}
diff --git a/app/renderer/dice/DiceApp.tsx b/app/renderer/dice/DiceApp.tsx
new file mode 100644
index 0000000..444619d
--- /dev/null
+++ b/app/renderer/dice/DiceApp.tsx
@@ -0,0 +1,104 @@
+import React, { useEffect, useState } from 'react';
+
+import { ipcChannels } from '../../shared/ipc/contracts';
+import { DICE_SIDES, type DiceSides } from '../../shared/types/diceRoll';
+import { useEditorI18n } from '../editor/i18n/EditorI18nContext';
+import { getDndApi } from '../shared/dndApi';
+import { useDiceRollState } from '../shared/dice/useDiceRollState';
+import { Button } from '../shared/ui/controls';
+
+import styles from './DiceApp.module.css';
+
+export function DiceApp() {
+  const { t } = useEditorI18n();
+  const api = getDndApi();
+  const [state, diceApi] = useDiceRollState();
+  const [sides, setSides] = useState<DiceSides>(20);
+  const [count, setCount] = useState(1);
+
+  useEffect(() => {
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') {
+        void api.invoke(ipcChannels.windows.closeDice, {});
+      }
+    };
+    window.addEventListener('keydown', onKey);
+    return () => window.removeEventListener('keydown', onKey);
+  }, [api]);
+
+  return (
+    <div className={styles.page} data-testid="dice-app">
+      <div className={styles.sectionLabel}>{t('dice.sides')}</div>
+      <div className={styles.sidesGrid}>
+        {DICE_SIDES.map((s) => (
+          <Button
+            key={s}
+            variant={sides === s ? 'primary' : 'ghost'}
+            onClick={() => setSides(s)}
+            data-testid={`dice-side-${s}`}
+          >
+            d{s}
+          </Button>
+        ))}
+      </div>
+
+      <div className={styles.sectionLabel}>{t('dice.count')}</div>
+      <div className={styles.countRow}>
+        <Button
+          variant="ghost"
+          onClick={() => setCount((c) => Math.max(1, c - 1))}
+          ariaLabel={t('dice.dec')}
+        >
+          −
+        </Button>
+        <div className={styles.countValue} data-testid="dice-count">
+          {count}
+        </div>
+        <Button
+          variant="ghost"
+          onClick={() => setCount((c) => Math.min(20, c + 1))}
+          ariaLabel={t('dice.inc')}
+        >
+          +
+        </Button>
+      </div>
+
+      <div className={styles.actions}>
+        <Button
+          variant="primary"
+          onClick={() => void diceApi.dispatch({ kind: 'roll', count, sides })}
+          data-testid="dice-roll"
+        >
+          {t('dice.roll')}
+        </Button>
+        <Button
+          variant="ghost"
+          disabled={!state?.values.length && !state?.active}
+          onClick={() => void diceApi.dispatch({ kind: 'clear' })}
+        >
+          {t('dice.clear')}
+        </Button>
+      </div>
+
+      {state && state.values.length > 0 ? (
+        <div className={styles.lastResult} data-testid="dice-last-result">
+          <div className={styles.lastLabel}>{t('dice.result')}</div>
+          <div className={styles.lastNotation}>{state.notation}</div>
+          <div className={styles.valueChips} aria-label={t('dice.result')}>
+            {state.values.map((v, i) => (
+              <span key={`${state.revision}-${i}`} className={styles.valueChip}>
+                {v}
+              </span>
+            ))}
+          </div>
+          <div className={styles.lastTotal}>
+            {t('dice.total')}: <strong>{state.total}</strong>
+          </div>
+          {state.active ? <div className={styles.rollingHint}>{t('dice.rolling')}</div> : null}
+        </div>
+      ) : (
+        <div className={styles.emptyResult}>{t('dice.noResult')}</div>
+      )}
+    </div>
+  );
+}
diff --git a/app/renderer/dice/main.tsx b/app/renderer/dice/main.tsx
new file mode 100644
index 0000000..341575d
--- /dev/null
+++ b/app/renderer/dice/main.tsx
@@ -0,0 +1,23 @@
+import React from 'react';
+import { createRoot } from 'react-dom/client';
+
+import '../shared/ui/globals.css';
+import { EditorI18nProvider } from '../editor/i18n/EditorI18nContext';
+import { WindowErrorBoundary } from '../shared/ui/WindowErrorBoundary';
+
+import { DiceApp } from './DiceApp';
+
+const rootEl = document.getElementById('root');
+if (!rootEl) {
+  throw new Error('Missing #root element');
+}
+
+createRoot(rootEl).render(
+  <React.StrictMode>
+    <WindowErrorBoundary title="Dice">
+      <EditorI18nProvider>
+        <DiceApp />
+      </EditorI18nProvider>
+    </WindowErrorBoundary>
+  </React.StrictMode>,
+);
diff --git a/app/renderer/editor/i18n/editorMessages.ts b/app/renderer/editor/i18n/editorMessages.ts
index 8559308..b58d6e5 100644
--- a/app/renderer/editor/i18n/editorMessages.ts
+++ b/app/renderer/editor/i18n/editorMessages.ts
@@ -660,8 +660,20 @@ export const EDITOR_MESSAGES: Record<EditorLocale, Record<string, string>> = {
     'control.playlistsTool': 'Плейлисты',
     'control.timerTool': 'Таймер',
     'control.initiativeTool': 'Инициатива',
+    'control.diceTool': 'Кубики',
     'control.npcsTool': 'НПС',
 
+    'dice.sides': 'Кубик',
+    'dice.count': 'Количество',
+    'dice.roll': 'Бросить',
+    'dice.clear': 'Убрать',
+    'dice.result': 'Результат',
+    'dice.total': 'Сумма',
+    'dice.rolling': 'Анимация на экране…',
+    'dice.noResult': 'Пока нет броска',
+    'dice.inc': 'Больше',
+    'dice.dec': 'Меньше',
+
     'sessionTimer.duration': 'Длительность (MM:SS)',
     'sessionTimer.start': 'Старт',
     'sessionTimer.pause': 'Пауза',
@@ -1392,8 +1404,20 @@ export const EDITOR_MESSAGES: Record<EditorLocale, Record<string, string>> = {
     'control.playlistsTool': 'Playlists',
     'control.timerTool': 'Timer',
     'control.initiativeTool': 'Initiative',
+    'control.diceTool': 'Dice',
     'control.npcsTool': 'NPCs',
 
+    'dice.sides': 'Die',
+    'dice.count': 'Count',
+    'dice.roll': 'Roll',
+    'dice.clear': 'Clear',
+    'dice.result': 'Result',
+    'dice.total': 'Total',
+    'dice.rolling': 'Animating on screen…',
+    'dice.noResult': 'No roll yet',
+    'dice.inc': 'More',
+    'dice.dec': 'Fewer',
+
     'sessionTimer.duration': 'Duration (MM:SS)',
     'sessionTimer.start': 'Start',
     'sessionTimer.pause': 'Pause',
diff --git a/app/renderer/public/dice-box/sounds/dicehit/dicehit_coin1.mp3 b/app/renderer/public/dice-box/sounds/dicehit/dicehit_coin1.mp3
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diff --git a/app/renderer/public/dice-box/textures/wood.webp b/app/renderer/public/dice-box/textures/wood.webp
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diff --git a/app/renderer/shared/PresentationView.tsx b/app/renderer/shared/PresentationView.tsx
index d455f19..37bf601 100644
--- a/app/renderer/shared/PresentationView.tsx
+++ b/app/renderer/shared/PresentationView.tsx
@@ -25,6 +25,7 @@ import { useSceneNpcTokensSession } from './playerToken/useSceneNpcTokensSession
 import { useScenePlayerTokensSession } from './playerToken/useScenePlayerTokensSession';
 import { SceneOverlayHost } from './sceneOverlay/SceneOverlayHost';
 import { SessionTimerLayer } from './sessionTimer/SessionTimerLayer';
+import { DiceRollLayer } from './dice/DiceRollLayer';
 import { useSceneViewState } from './sceneView/useSceneViewState';
 import { SceneTokensOverlay } from './tokens/SceneTokensOverlay';
 import { TokenPathsOverlay } from './tokens/TokenPathsOverlay';
@@ -340,6 +341,7 @@ export function PresentationView({
         {activeNpcItems.length > 0 ? <NpcsSceneOverlay embedded items={activeNpcItems} /> : null}
       </SceneOverlayHost>
       <SessionTimerLayer viewport={contentRect} editable={false} />
+      <DiceRollLayer />
       {showTitle ? (
         <div className={styles.titleWrap}>
           <div className={compact ? styles.titleCompact : styles.titleFull}>
diff --git a/app/renderer/shared/dice/DiceRollLayer.module.css b/app/renderer/shared/dice/DiceRollLayer.module.css
new file mode 100644
index 0000000..9ea2e95
--- /dev/null
+++ b/app/renderer/shared/dice/DiceRollLayer.module.css
@@ -0,0 +1,91 @@
+.layer {
+  position: absolute;
+  inset: 0;
+  z-index: 40;
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 160ms ease;
+}
+
+.layer[data-active='1'] {
+  opacity: 1;
+  pointer-events: auto;
+}
+
+.backdrop {
+  position: absolute;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.45);
+}
+
+.tray {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: min(920px, 92%);
+  height: min(520px, 78%);
+  border-radius: 12px;
+  border: 1px solid rgba(255, 255, 255, 0.12);
+  overflow: hidden;
+  background: rgba(10, 14, 20, 0.55);
+  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
+}
+
+.host {
+  position: absolute;
+  inset: 0;
+  width: 100%;
+  height: 100%;
+}
+
+.host :global(canvas) {
+  width: 100% !important;
+  height: 100% !important;
+  display: block;
+}
+
+.result {
+  position: absolute;
+  left: 50%;
+  bottom: 14px;
+  transform: translateX(-50%);
+  display: flex;
+  align-items: baseline;
+  gap: 10px;
+  padding: 8px 14px;
+  border-radius: 999px;
+  background: rgba(9, 9, 11, 0.82);
+  border: 1px solid rgba(255, 255, 255, 0.14);
+  color: #f8fafc;
+  font-weight: 700;
+  pointer-events: none;
+  white-space: nowrap;
+}
+
+.resultNotation {
+  color: #93c5fd;
+  font-size: 13px;
+}
+
+.resultValues {
+  font-size: 14px;
+  font-variant-numeric: tabular-nums;
+}
+
+.resultTotal {
+  font-size: 18px;
+  font-variant-numeric: tabular-nums;
+}
+
+.error {
+  position: absolute;
+  inset: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #fecaca;
+  font-size: 13px;
+  text-align: center;
+  pointer-events: none;
+}
diff --git a/app/renderer/shared/dice/DiceRollLayer.tsx b/app/renderer/shared/dice/DiceRollLayer.tsx
new file mode 100644
index 0000000..c69f99c
--- /dev/null
+++ b/app/renderer/shared/dice/DiceRollLayer.tsx
@@ -0,0 +1,132 @@
+import React, { useEffect, useId, useRef, useState } from 'react';
+
+import DiceBox from '@3d-dice/dice-box-threejs';
+
+import {
+  formatPredeterminedDiceNotation,
+  isDiceSides,
+  type DiceRollState,
+} from '../../../shared/types/diceRoll';
+
+import { useDiceRollState } from './useDiceRollState';
+import styles from './DiceRollLayer.module.css';
+
+function diceAssetPath(): string {
+  const base = import.meta.env.BASE_URL || '/';
+  const joined = `${base}dice-box/`.replace(/([^:]\/)\/+/g, '$1');
+  return joined;
+}
+
+function parseNotationSides(notation: string): number | null {
+  const m = /^(\d+)d(\d+)$/i.exec(notation.trim());
+  if (!m) return null;
+  const sides = Number(m[2]);
+  return Number.isFinite(sides) ? sides : null;
+}
+
+function parseNotationCount(notation: string): number {
+  const m = /^(\d+)d(\d+)$/i.exec(notation.trim());
+  if (!m) return 1;
+  return Math.max(1, Number(m[1]) || 1);
+}
+
+/** Полноэкранный оверлей 3D-броска на превью и презентации. */
+export function DiceRollLayer() {
+  const [state] = useDiceRollState();
+  const reactId = useId().replace(/:/g, '');
+  const hostId = `dice-roll-host-${reactId}`;
+  const boxRef = useRef<DiceBox | null>(null);
+  const rollingRef = useRef(false);
+  const lastRevisionRef = useRef(0);
+  const [ready, setReady] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    let cancelled = false;
+    const box = new DiceBox(`#${hostId}`, {
+      assetPath: diceAssetPath(),
+      sounds: false,
+      shadows: true,
+      theme_surface: 'green-felt',
+      theme_colorset: 'white',
+      theme_material: 'glass',
+      strength: 1,
+      gravity_multiplier: 400,
+    });
+    boxRef.current = box;
+    void box
+      .initialize()
+      .then(() => {
+        if (!cancelled) setReady(true);
+      })
+      .catch((err: unknown) => {
+        if (cancelled) return;
+        setError(err instanceof Error ? err.message : String(err));
+      });
+    return () => {
+      cancelled = true;
+      try {
+        box.clearDice?.();
+      } catch {
+        /* ignore */
+      }
+      boxRef.current = null;
+      const el = document.getElementById(hostId);
+      el?.replaceChildren();
+    };
+  }, [hostId]);
+
+  useEffect(() => {
+    if (!ready || !state?.active) return;
+    if (state.revision === lastRevisionRef.current) return;
+    if (rollingRef.current) return;
+    const box = boxRef.current;
+    if (!box) return;
+
+    const sidesRaw = parseNotationSides(state.notation);
+    if (sidesRaw == null || !isDiceSides(sidesRaw)) return;
+    const count = parseNotationCount(state.notation);
+    const notation = formatPredeterminedDiceNotation(count, sidesRaw, state.values);
+    const revision = state.revision;
+    lastRevisionRef.current = revision;
+    rollingRef.current = true;
+
+    void (async () => {
+      try {
+        await box.roll(notation);
+      } catch (err) {
+        console.error('[dice] roll failed', err);
+      } finally {
+        rollingRef.current = false;
+      }
+    })();
+  }, [ready, state]);
+
+  const visible = Boolean(state?.active);
+  return (
+    <div
+      className={styles.layer}
+      data-testid="dice-roll-layer"
+      data-active={visible ? '1' : '0'}
+      aria-hidden={visible ? undefined : true}
+    >
+      <div className={styles.backdrop} />
+      <div className={styles.tray}>
+        <div id={hostId} className={styles.host} />
+        {error ? <div className={styles.error}>{error}</div> : null}
+        {visible && state ? <DiceResultBadge state={state} /> : null}
+      </div>
+    </div>
+  );
+}
+
+function DiceResultBadge({ state }: { state: DiceRollState }) {
+  if (!state.values.length) return null;
+  return (
+    <div className={styles.result} data-testid="dice-roll-result">
+      <span className={styles.resultNotation}>{state.notation}</span>
+      <span className={styles.resultValues}>{state.values.join(' + ')}</span>
+      <span className={styles.resultTotal}>= {state.total}</span>
+    </div>
+  );
+}
diff --git a/app/renderer/shared/dice/dice-box-threejs.d.ts b/app/renderer/shared/dice/dice-box-threejs.d.ts
new file mode 100644
index 0000000..15af814
--- /dev/null
+++ b/app/renderer/shared/dice/dice-box-threejs.d.ts
@@ -0,0 +1,27 @@
+declare module '@3d-dice/dice-box-threejs' {
+  export type DiceBoxConfig = {
+    assetPath?: string;
+    framerate?: number;
+    sounds?: boolean;
+    volume?: number;
+    shadows?: boolean;
+    theme_surface?: string;
+    theme_colorset?: string;
+    theme_texture?: string;
+    theme_material?: string;
+    gravity_multiplier?: number;
+    light_intensity?: number;
+    baseScale?: number;
+    strength?: number;
+    onRollComplete?: (results: unknown) => void;
+  };
+
+  export default class DiceBox {
+    constructor(elementSelector: string, options?: DiceBoxConfig);
+    initialize(): Promise<void>;
+    roll(notation: string): Promise<unknown>;
+    clearDice(): void;
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    [key: string]: any;
+  }
+}
diff --git a/app/renderer/shared/dice/useDiceRollState.ts b/app/renderer/shared/dice/useDiceRollState.ts
new file mode 100644
index 0000000..26120f9
--- /dev/null
+++ b/app/renderer/shared/dice/useDiceRollState.ts
@@ -0,0 +1,33 @@
+import { useEffect, useState } from 'react';
+
+import { ipcChannels } from '../../../shared/ipc/contracts';
+import type { DiceRollEvent, DiceRollState } from '../../../shared/types';
+import { getDndApi } from '../dndApi';
+
+export function useDiceRollState(): readonly [
+  DiceRollState | null,
+  { dispatch: (event: DiceRollEvent) => Promise<DiceRollState> },
+] {
+  const api = getDndApi();
+  const [state, setState] = useState<DiceRollState | null>(null);
+
+  useEffect(() => {
+    void api.invoke(ipcChannels.diceRoll.getState, {}).then((r) => {
+      setState(r.state);
+    });
+    return api.on(ipcChannels.diceRoll.stateChanged, ({ state: next }) => {
+      setState(next);
+    });
+  }, [api]);
+
+  return [
+    state,
+    {
+      dispatch: async (event) => {
+        const r = await api.invoke(ipcChannels.diceRoll.dispatch, { event });
+        setState(r.state);
+        return r.state;
+      },
+    },
+  ] as const;
+}
diff --git a/app/renderer/shared/ui/secondaryWindows.stability.test.ts b/app/renderer/shared/ui/secondaryWindows.stability.test.ts
index 3bf8690..5284546 100644
--- a/app/renderer/shared/ui/secondaryWindows.stability.test.ts
+++ b/app/renderer/shared/ui/secondaryWindows.stability.test.ts
@@ -15,6 +15,7 @@ const SECONDARY_WINDOW_MAINS = [
   'playlists/main.tsx',
   'timer/main.tsx',
   'initiative/main.tsx',
+  'dice/main.tsx',
   'sceneEditor/main.tsx',
   'sceneDescription/main.tsx',
   'control/main.tsx',
diff --git a/app/shared/appBranding.ts b/app/shared/appBranding.ts
index b6556e5..5ba8a85 100644
--- a/app/shared/appBranding.ts
+++ b/app/shared/appBranding.ts
@@ -25,6 +25,7 @@ export type AppWindowKind =
   | 'playlists'
   | 'timer'
   | 'initiative'
+  | 'dice'
   | 'npcsEditor'
   | 'sceneEditor'
   | 'tokenPathEditor'
@@ -40,6 +41,7 @@ const WINDOW_SUFFIX: Record<AppWindowKind, { ru: string; en: string }> = {
   playlists: { ru: 'Плейлисты', en: 'Playlists' },
   timer: { ru: 'Таймер', en: 'Timer' },
   initiative: { ru: 'Инициатива', en: 'Initiative' },
+  dice: { ru: 'Кубики', en: 'Dice' },
   npcsEditor: { ru: 'НПС', en: 'NPCs' },
   sceneEditor: { ru: 'Редактор сцены', en: 'Scene editor' },
   tokenPathEditor: { ru: 'Движение токена', en: 'Token path' },
diff --git a/app/shared/ipc/contracts.ts b/app/shared/ipc/contracts.ts
index dcb9508..061ec05 100644
--- a/app/shared/ipc/contracts.ts
+++ b/app/shared/ipc/contracts.ts
@@ -59,6 +59,8 @@ import type {
   SessionTimerState,
   InitiativeEvent,
   InitiativeState,
+  DiceRollEvent,
+  DiceRollState,
   TokenId,
   TokenPathSessionEvent,
   TokenPathSessionState,
@@ -171,6 +173,8 @@ export const ipcChannels = {
     closeTimer: 'windows.closeTimer',
     openInitiative: 'windows.openInitiative',
     closeInitiative: 'windows.closeInitiative',
+    openDice: 'windows.openDice',
+    closeDice: 'windows.closeDice',
     openNpcsEditor: 'windows.openNpcsEditor',
     closeNpcsEditor: 'windows.closeNpcsEditor',
     openNpcs: 'windows.openNpcs',
@@ -218,6 +222,11 @@ export const ipcChannels = {
     dispatch: 'initiative.dispatch',
     stateChanged: 'initiative.stateChanged',
   },
+  diceRoll: {
+    getState: 'diceRoll.getState',
+    dispatch: 'diceRoll.dispatch',
+    stateChanged: 'diceRoll.stateChanged',
+  },
   sceneDarkness: {
     getState: 'sceneDarkness.getState',
     dispatch: 'sceneDarkness.dispatch',
@@ -377,6 +386,7 @@ export type IpcEventMap = {
   [ipcChannels.npcsOverlay.stateChanged]: { state: NpcsOverlayState };
   [ipcChannels.sessionTimer.stateChanged]: { state: SessionTimerState };
   [ipcChannels.initiative.stateChanged]: { state: InitiativeState };
+  [ipcChannels.diceRoll.stateChanged]: { state: DiceRollState };
   [ipcChannels.sceneDarkness.stateChanged]: { state: SceneDarknessState };
   [ipcChannels.sceneMarker.stateChanged]: { state: SceneMarkerState };
   [ipcChannels.sceneTraps.stateChanged]: { state: SceneTrapsState };
@@ -822,6 +832,14 @@ export type IpcInvokeMap = {
     req: Record<string, never>;
     res: { ok: true };
   };
+  [ipcChannels.windows.openDice]: {
+    req: Record<string, never>;
+    res: { ok: true };
+  };
+  [ipcChannels.windows.closeDice]: {
+    req: Record<string, never>;
+    res: { ok: true };
+  };
   [ipcChannels.windows.openNpcsEditor]: {
     req: Record<string, never>;
     res: { ok: true };
@@ -894,6 +912,14 @@ export type IpcInvokeMap = {
     req: { event: InitiativeEvent };
     res: { state: InitiativeState };
   };
+  [ipcChannels.diceRoll.getState]: {
+    req: Record<string, never>;
+    res: { state: DiceRollState };
+  };
+  [ipcChannels.diceRoll.dispatch]: {
+    req: { event: DiceRollEvent };
+    res: { state: DiceRollState };
+  };
   [ipcChannels.effects.getState]: {
     req: Record<string, never>;
     res: { state: EffectsState };
@@ -1148,6 +1174,7 @@ export type LegacyIpcEventMap = {
   [ipcChannels.npcsOverlay.stateChanged]: { state: NpcsOverlayState };
   [ipcChannels.sessionTimer.stateChanged]: { state: SessionTimerState };
   [ipcChannels.initiative.stateChanged]: { state: InitiativeState };
+  [ipcChannels.diceRoll.stateChanged]: { state: DiceRollState };
   [ipcChannels.sceneDarkness.stateChanged]: { state: SceneDarknessState };
   [ipcChannels.sceneMarker.stateChanged]: { state: SceneMarkerState };
   [ipcChannels.sceneTraps.stateChanged]: { state: SceneTrapsState };
diff --git a/app/shared/types/diceRoll.ts b/app/shared/types/diceRoll.ts
new file mode 100644
index 0000000..6f2c049
--- /dev/null
+++ b/app/shared/types/diceRoll.ts
@@ -0,0 +1,88 @@
+/** Поддерживаемые грани кубиков (как в dice-box-threejs / Major's). */
+export const DICE_SIDES = [4, 6, 8, 10, 12, 20, 100] as const;
+export type DiceSides = (typeof DICE_SIDES)[number];
+
+export function isDiceSides(n: number): n is DiceSides {
+  return (DICE_SIDES as readonly number[]).includes(n);
+}
+
+export type DiceRollRequest = {
+  /** Количество кубиков одного типа. */
+  count: number;
+  sides: DiceSides;
+};
+
+export type DiceRollState = {
+  revision: number;
+  /** Идёт показ броска (оверлей виден). */
+  active: boolean;
+  /** Например "2d20". */
+  notation: string;
+  /** Заранее выбранные исходы — для синхрона пульт/презентация. */
+  values: number[];
+  total: number;
+  /** Когда бросок начат (для перезапуска анимации при том же revision нельзя — revision растёт). */
+  startedAt: number | null;
+};
+
+export type DiceRollEvent =
+  | { kind: 'roll'; count: number; sides: DiceSides }
+  | { kind: 'hideOverlay' }
+  | { kind: 'clear' };
+
+export function createInitialDiceRollState(): DiceRollState {
+  return {
+    revision: 1,
+    active: false,
+    notation: '',
+    values: [],
+    total: 0,
+    startedAt: null,
+  };
+}
+
+export function clampDiceCount(n: number): number {
+  if (!Number.isFinite(n)) return 1;
+  return Math.max(1, Math.min(20, Math.round(n)));
+}
+
+/** Грани d100 в dice-box-threejs: 10,20,…,90,100 (лицо «00»). */
+export const D100_FACE_VALUES = [10, 20, 30, 40, 50, 60, 70, 80, 90, 100] as const;
+
+/** Привести значение к ближайшей грани кубика десятков. */
+export function snapD100Value(value: number): number {
+  const n = Math.round(value);
+  if (!Number.isFinite(n)) return 10;
+  if (n <= 0) return 100;
+  const tens = Math.ceil(n / 10) * 10;
+  if (tens <= 0) return 100;
+  return Math.min(100, Math.max(10, tens));
+}
+
+export function rollDiceValues(count: number, sides: DiceSides): number[] {
+  const c = clampDiceCount(count);
+  const out: number[] = [];
+  for (let i = 0; i < c; i += 1) {
+    if (sides === 100) {
+      out.push(D100_FACE_VALUES[Math.floor(Math.random() * D100_FACE_VALUES.length)]!);
+    } else {
+      out.push(1 + Math.floor(Math.random() * sides));
+    }
+  }
+  return out;
+}
+
+/** Нотация для dice-box-threejs с predetermined outcomes: `2d20@15,7`. */
+export function formatPredeterminedDiceNotation(count: number, sides: DiceSides, values: readonly number[]): string {
+  const c = clampDiceCount(count);
+  const vals =
+    sides === 100
+      ? values.slice(0, c).map(snapD100Value)
+      : values.slice(0, c).map((v) => Math.max(1, Math.min(sides, Math.round(v))));
+  while (vals.length < c) vals.push(sides === 100 ? 10 : 1);
+  return `${c}d${sides}@${vals.join(',')}`;
+}
+
+export function formatDiceNotation(count: number, sides: DiceSides): string {
+  return `${clampDiceCount(count)}d${sides}`;
+}
diff --git a/app/shared/types/index.ts b/app/shared/types/index.ts
index c1c29c8..b96df54 100644
--- a/app/shared/types/index.ts
+++ b/app/shared/types/index.ts
@@ -22,4 +22,5 @@ export * from './sceneTraps';
 export * from './sceneView';
 export * from './sessionTimer';
 export * from './initiative';
+export * from './diceRoll';
 export * from './videoPlayback';
diff --git a/package-lock.json b/package-lock.json
index 70030d1..86bf60f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,7 @@
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
+        "@3d-dice/dice-box-threejs": "^0.0.12",
         "@fontsource/inter": "^5.2.8",
         "@tiptap/extension-placeholder": "^3.27.4",
         "@tiptap/react": "^3.27.4",
@@ -59,6 +60,16 @@
         "yazl": "^3.3.1"
       }
     },
+    "node_modules/@3d-dice/dice-box-threejs": {
+      "version": "0.0.12",
+      "resolved": "https://registry.npmjs.org/@3d-dice/dice-box-threejs/-/dice-box-threejs-0.0.12.tgz",
+      "integrity": "sha512-Bau5UizUunZS9+A6zgGeZecEJotSLEI6YvmYTosvvdhRxv92xo89aIvKYQb6xqdx/AqjHdGENJmqBOadlFL9kA==",
+      "license": "MIT",
+      "dependencies": {
+        "cannon-es": "^0.20.0",
+        "three": "^0.143.0"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.29.0",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.0.tgz",
@@ -5936,6 +5947,12 @@
       ],
       "license": "CC-BY-4.0"
     },
+    "node_modules/cannon-es": {
+      "version": "0.20.0",
+      "resolved": "https://registry.npmjs.org/cannon-es/-/cannon-es-0.20.0.tgz",
+      "integrity": "sha512-eZhWTZIkFOnMAJOgfXJa9+b3kVlvG+FX4mdkpePev/w/rP5V8NRquGyEozcjPfEoXUlb+p7d9SUcmDSn14prOA==",
+      "license": "MIT"
+    },
     "node_modules/caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
@@ -14256,6 +14273,12 @@
         "node": ">= 10.0.0"
       }
     },
+    "node_modules/three": {
+      "version": "0.143.0",
+      "resolved": "https://registry.npmjs.org/three/-/three-0.143.0.tgz",
+      "integrity": "sha512-oKcAGYHhJ46TGEuHjodo2n6TY2R6lbvrkp+feKZxqsUL/WkH7GKKaeu6RHeyb2Xjfk2dPLRKLsOP0KM2VgT8Zg==",
+      "license": "MIT"
+    },
     "node_modules/tiny-async-pool": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/tiny-async-pool/-/tiny-async-pool-1.3.0.tgz",
diff --git a/package.json b/package.json
index b38b906..9c8956f 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "build:obfuscate": "node scripts/build.mjs --production --obfuscate",
     "lint": "eslint . --max-warnings 0",
     "typecheck": "tsc -p tsconfig.eslint.json --noEmit",
-    "test": "tsx --test app/renderer/shared/ui/controls.tooltip.test.ts app/renderer/shared/ui/secondaryWindows.stability.test.ts app/renderer/npcs/tiptapEditorSafe.test.ts app/renderer/editor/state/projectState.race.test.ts app/renderer/editor/fileDrop.test.ts app/shared/graph/sceneListOrder.test.ts app/shared/graph/activeStorylineScenes.test.ts app/renderer/editor/graph/sceneCardById.test.ts app/renderer/editor/i18n/editorMessages.locale.test.ts app/renderer/editor/help/helpLinkify.test.ts app/renderer/editor/sceneDescriptionHtml.test.ts app/shared/graph/storylineExportImport.test.ts app/shared/foundry/foundryGraph.test.ts app/shared/ipc/contracts.mediaRemoval.test.ts app/shared/effectEraserHitTest.test.ts app/shared/fieldEffectEraser.test.ts app/renderer/control/controlApp.effectsPanel.test.ts app/renderer/control/controlApp.audioPerf.networkRegression.test.ts app/renderer/control/controlApp.brushPerf.networkRegression.test.ts app/renderer/shared/useAssetImageUrl.cache.test.ts app/main/sessionIpc.phase6.networkRegression.test.ts app/renderer/shared/sceneOverlay/sceneOverlayHost.test.ts app/renderer/shared/effects/PxiEffectsOverlay.pointer.test.ts app/renderer/shared/traps/trapActivation.test.ts app/renderer/shared/videoSceneMapParity.test.ts app/main/windows/createWindows.editorClose.test.ts app/main/preferences/appPreferences.test.ts app/main/playlists/playlistsStore.test.ts app/main/sessionTimer/timerSessionStore.test.ts app/main/initiative/initiativeSessionStore.test.ts app/main/safeConsole.test.ts app/main/windows/bootWindow.test.ts app/main/effects/effectsStore.test.ts app/main/effects/sceneDarknessStore.test.ts app/main/effects/sceneMarkerStore.test.ts app/shared/sceneMarkerEraser.test.ts app/main/sceneTraps/sceneTrapsStore.test.ts app/main/project/assetPrune.test.ts app/main/project/optimizeImageImport.test.ts app/main/project/scenePreviewThumbnail.test.ts app/main/project/fsRetry.test.ts app/main/project/zipRead.test.ts app/main/project/replaceFileAtomic.test.ts app/main/project/zipStore.legacyContract.test.ts app/shared/package.build.test.ts app/shared/license/canonicalJson.test.ts app/shared/license/productKey.test.ts app/shared/license/licenseService.networkRegression.test.ts app/shared/video/videoPlaybackPerf.networkRegression.test.ts app/shared/video/videoPlaybackLoop.networkRegression.test.ts app/main/license/verifyLicenseToken.test.ts app/main/license/machineFingerprint.test.ts app/shared/types/appPlayers.test.ts app/shared/types/npcDisposition.test.ts app/shared/types/npcExternalUrl.test.ts app/main/npcs/npcsOverlayStore.test.ts app/shared/types/sceneGrid.test.ts app/shared/types/sceneGridSnap.test.ts app/shared/types/sceneDarkness.test.ts app/shared/types/materialLegend.test.ts app/main/tokens/tokenGridSnapSessionStore.test.ts app/shared/players/playerTeams.test.ts app/shared/players/launchPlayersSelection.test.ts app/main/players/playersStore.test.ts app/main/players/sceneNpcTokensSessionStore.test.ts app/main/players/scenePlayerTokensSessionStore.test.ts app/main/tokens/sceneTokensSessionStore.test.ts app/shared/ipc/contracts.players.test.ts app/shared/types/containMediaRect.test.ts app/shared/types/scenePreviewRotation.test.ts app/shared/types/tokenPath.test.ts app/shared/types/tokenPathPlayback.test.ts && node --test scripts/build-env.test.mjs scripts/obfuscate-main.test.mjs scripts/release-mac-prep.test.mjs scripts/release-native-prep.test.mjs scripts/verify-packaged-sharp.test.mjs app/main/project/sharpRuntime.test.mjs",
+    "test": "tsx --test app/renderer/shared/ui/controls.tooltip.test.ts app/renderer/shared/ui/secondaryWindows.stability.test.ts app/renderer/npcs/tiptapEditorSafe.test.ts app/renderer/editor/state/projectState.race.test.ts app/renderer/editor/fileDrop.test.ts app/shared/graph/sceneListOrder.test.ts app/shared/graph/activeStorylineScenes.test.ts app/renderer/editor/graph/sceneCardById.test.ts app/renderer/editor/i18n/editorMessages.locale.test.ts app/renderer/editor/help/helpLinkify.test.ts app/renderer/editor/sceneDescriptionHtml.test.ts app/shared/graph/storylineExportImport.test.ts app/shared/foundry/foundryGraph.test.ts app/shared/ipc/contracts.mediaRemoval.test.ts app/shared/effectEraserHitTest.test.ts app/shared/fieldEffectEraser.test.ts app/renderer/control/controlApp.effectsPanel.test.ts app/renderer/control/controlApp.audioPerf.networkRegression.test.ts app/renderer/control/controlApp.brushPerf.networkRegression.test.ts app/renderer/shared/useAssetImageUrl.cache.test.ts app/main/sessionIpc.phase6.networkRegression.test.ts app/renderer/shared/sceneOverlay/sceneOverlayHost.test.ts app/renderer/shared/effects/PxiEffectsOverlay.pointer.test.ts app/renderer/shared/traps/trapActivation.test.ts app/renderer/shared/videoSceneMapParity.test.ts app/main/windows/createWindows.editorClose.test.ts app/main/preferences/appPreferences.test.ts app/main/playlists/playlistsStore.test.ts app/main/sessionTimer/timerSessionStore.test.ts app/main/initiative/initiativeSessionStore.test.ts app/main/diceRoll/diceRollSessionStore.test.ts app/main/safeConsole.test.ts app/main/windows/bootWindow.test.ts app/main/effects/effectsStore.test.ts app/main/effects/sceneDarknessStore.test.ts app/main/effects/sceneMarkerStore.test.ts app/shared/sceneMarkerEraser.test.ts app/main/sceneTraps/sceneTrapsStore.test.ts app/main/project/assetPrune.test.ts app/main/project/optimizeImageImport.test.ts app/main/project/scenePreviewThumbnail.test.ts app/main/project/fsRetry.test.ts app/main/project/zipRead.test.ts app/main/project/replaceFileAtomic.test.ts app/main/project/zipStore.legacyContract.test.ts app/shared/package.build.test.ts app/shared/license/canonicalJson.test.ts app/shared/license/productKey.test.ts app/shared/license/licenseService.networkRegression.test.ts app/shared/video/videoPlaybackPerf.networkRegression.test.ts app/shared/video/videoPlaybackLoop.networkRegression.test.ts app/main/license/verifyLicenseToken.test.ts app/main/license/machineFingerprint.test.ts app/shared/types/appPlayers.test.ts app/shared/types/npcDisposition.test.ts app/shared/types/npcExternalUrl.test.ts app/main/npcs/npcsOverlayStore.test.ts app/shared/types/sceneGrid.test.ts app/shared/types/sceneGridSnap.test.ts app/shared/types/sceneDarkness.test.ts app/shared/types/materialLegend.test.ts app/main/tokens/tokenGridSnapSessionStore.test.ts app/shared/players/playerTeams.test.ts app/shared/players/launchPlayersSelection.test.ts app/main/players/playersStore.test.ts app/main/players/sceneNpcTokensSessionStore.test.ts app/main/players/scenePlayerTokensSessionStore.test.ts app/main/tokens/sceneTokensSessionStore.test.ts app/shared/ipc/contracts.players.test.ts app/shared/types/containMediaRect.test.ts app/shared/types/scenePreviewRotation.test.ts app/shared/types/tokenPath.test.ts app/shared/types/tokenPathPlayback.test.ts && node --test scripts/build-env.test.mjs scripts/obfuscate-main.test.mjs scripts/release-mac-prep.test.mjs scripts/release-native-prep.test.mjs scripts/verify-packaged-sharp.test.mjs app/main/project/sharpRuntime.test.mjs",
     "format": "prettier . --check",
     "format:write": "prettier . --write",
     "postinstall": "patch-package",
@@ -32,6 +32,7 @@
   "license": "ISC",
   "type": "module",
   "dependencies": {
+    "@3d-dice/dice-box-threejs": "^0.0.12",
     "@fontsource/inter": "^5.2.8",
     "@tiptap/extension-placeholder": "^3.27.4",
     "@tiptap/react": "^3.27.4",
diff --git a/vite.config.ts b/vite.config.ts
index addee29..e7d55a4 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -58,6 +58,7 @@ export default defineConfig(({ mode }) => {
           playlists: path.resolve(__dirname, 'app/renderer/playlists.html'),
           timer: path.resolve(__dirname, 'app/renderer/timer.html'),
           initiative: path.resolve(__dirname, 'app/renderer/initiative.html'),
+          dice: path.resolve(__dirname, 'app/renderer/dice.html'),
           sceneEditor: path.resolve(__dirname, 'app/renderer/sceneEditor.html'),
           tokenPathEditor: path.resolve(__dirname, 'app/renderer/tokenPathEditor.html'),
           npcsEditor: path.resolve(__dirname, 'app/renderer/npcsEditor.html'),