diff --git a/src/main.ts b/src/main.ts
index 01ca98b..12cd3ce 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -966,6 +966,34 @@ function fillAbutBearingCard(
   box.append(el('p', `검사 · ${abutBearingChecks(model, members, rule, H).join(' · ')}`, 'muted small abut-checks'));
 }
 
+/**
+ * 날개벽 타일 그림 (2026-11-04, 48 × 24, 선 색 = 글자 색). 평면 그림은 위가 흉벽 · 벽체, 아래로 날개벽이 뻗는다.
+ * 날개벽 모양은 현재 형식을 따른다: 일반형 = 길게, 단축형 = 짧게(뒷굽 끝까지), 없음 = 흐린 점선.
+ */
+const WING_ICON = {
+  plan(left: WingForm, right: WingForm, focus?: 'left' | 'right', equal = false): string {
+    const stroke = (on: boolean) => (on ? 'stroke="currentColor" stroke-width="2.6"' : 'stroke="currentColor" stroke-width="1.6" stroke-dasharray="2 2" opacity="0.45"');
+    const wing = (side: 'left' | 'right', form: WingForm) => {
+      const x = side === 'left' ? 10 : 38;
+      const dx = side === 'left' ? -1 : 1;
+      const on = form !== 'none' && (focus === undefined || focus === side);
+      const len = form === 'general' ? 12 : 5;
+      const style = form === 'none' ? stroke(false) : stroke(on);
+      return `<path d="M${x} 8l${dx * (len / 4)} ${len}" fill="none" stroke-linecap="round" ${style}/>`;
+    };
+    const wall = '<path d="M8 4h32v4H8z" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round"/>';
+    const eq = equal ? '<path d="M21 14h6M21 17.5h6" stroke="currentColor" stroke-width="1.5"/>' : '';
+    return wall + wing('left', left) + wing('right', right) + eq;
+  },
+  side(form: WingForm): string {
+    const solid = 'fill="none" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round"';
+    const faint = 'fill="none" stroke="currentColor" stroke-width="1.3" stroke-dasharray="2 2" opacity="0.45"';
+    if (form === 'general') return `<path d="M40 4v16h-8L8 13V4z" ${solid}/>`;
+    if (form === 'short') return `<path d="M40 4v16h-9V4z" ${solid}/>`;
+    return `<path d="M40 4v16" ${solid}/><path d="M40 4H8v9l24 7h8" ${faint}/>`;
+  },
+};
+
 /** skew (deg) as 95°02′52″. */
 function dms(deg: number): string {
   const total = Math.round(Math.abs(deg) * 3600);
@@ -993,13 +1021,21 @@ function fillAbutWingCard(
   const sideName = (s: 'left' | 'right') => (s === 'left' ? '좌 · ① 쪽' : `우 · ${circled(lastNo)} 쪽`);
   box.append(
     optionTiles('좌우', [
-      { label: '좌우 같게', on: linked, isDefault: true, pick: () => apply(setWingsLinked(rec, true)) },
-      { label: '따로 정하기', on: !linked, pick: () => apply(setWingsLinked(rec, false)) },
+      // 같게: the left form on both sides with "="; 따로: the current forms, or long / short when they happen to match.
+      { label: '좌우 같게', icon: WING_ICON.plan(forms.left, forms.left, undefined, true), on: linked, isDefault: true, pick: () => apply(setWingsLinked(rec, true)) },
+      {
+        label: '따로 정하기',
+        icon: forms.left === forms.right ? WING_ICON.plan('general', 'short') : WING_ICON.plan(forms.left, forms.right),
+        on: !linked,
+        pick: () => apply(setWingsLinked(rec, false)),
+      },
     ]),
     optionTiles(
       '편집할 측',
       (['left', 'right'] as const).map((s) => ({
-        label: `${sideName(s)} · ${NAME[forms[s]]}`,
+        // The picture shows both wings in their current form, with this side drawn bold.
+        label: sideName(s),
+        icon: WING_ICON.plan(forms.left, forms.right, s),
         on: side === s,
         pick: () => {
           state.abutWingSide = s;
@@ -1012,6 +1048,7 @@ function fillAbutWingCard(
       `${side === 'left' ? '좌' : '우'} 날개벽 (${sideName(side).split(' · ')[1]}) 형식`,
       (['general', 'short', 'none'] as const).map((f) => ({
         label: NAME[f],
+        icon: WING_ICON.side(f),
         on: forms[side] === f,
         isDefault: f === 'general',
         pick: () => apply(setWingForm(rec, side, f)),