diff --git a/B07_DesignDetail/B07_DesignDetail_Engine_Cad.py b/B07_DesignDetail/B07_DesignDetail_Engine_Cad.py
index 98a66b450..89ed9443c 100644
--- a/B07_DesignDetail/B07_DesignDetail_Engine_Cad.py
+++ b/B07_DesignDetail/B07_DesignDetail_Engine_Cad.py
@@ -524,10 +524,9 @@ def build_cross_drawing(
 
     # 표 모듈은 이 모듈의 직렬화 헬퍼를 쓰므로 순환을 피해 함수 안에서 들여온다.
     from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Table import (
-        _cross_note_entities,
         _cross_table_entities,
-        cross_note_height,
-        cross_note_lines,
+        cross_note_block_entities,
+        cross_note_block_height,
         cross_table_height,
         cross_table_width,
     )
@@ -550,7 +549,7 @@ def build_cross_drawing(
         if quantity_table is not None:
             stack = (
                 cross_table_height(design, table_scale)
-                + cross_note_height(cross_note_lines(design), table_scale)
+                + cross_note_block_height(design, table_scale)
                 + 8.0
             )
         oy = table_bottom + stack + own_half_height * CROSS_MM
@@ -580,12 +579,11 @@ def build_cross_drawing(
     table_bottom = oy - half_height
     if quantity_table is not None:
         table_top = oy - half_height - 8.0
-        # 표 위 글(150-3) — 줄 수만큼 표를 내림
-        note_lines = cross_note_lines(design)
+        # 표 위 글(150-3) · CAD 칸(260-3) — 그 높이만큼 표를 내림
         entities.extend(
-            _cross_note_entities(drawing_id, note_lines, table_top, center_x, table_scale)
+            cross_note_block_entities(drawing_id, design, table_top, center_x, table_scale)
         )
-        table_top -= cross_note_height(note_lines, table_scale)
+        table_top -= cross_note_block_height(design, table_scale)
         entities.extend(
             _cross_table_entities(
                 drawing_id, quantity_table, table_top, title_label, center_x, design, table_scale
diff --git a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Sheet.py b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Sheet.py
index 1dc94c77b..aecd97a15 100644
--- a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Sheet.py
+++ b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Sheet.py
@@ -34,8 +34,7 @@ from B07_DesignDetail.B07_DesignDetail_Engine_Cad import (
     polyline_entity,
 )
 from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Table import (
-    cross_note_height,
-    cross_note_lines,
+    cross_note_block_height,
     cross_table_height,
     cross_table_width,
 )
@@ -106,7 +105,7 @@ def section_block_size(
     top = half_height + _BORDER_PAD_MM
     below = half_height + _BORDER_PAD_MM
     if with_table:
-        note_h = cross_note_height(cross_note_lines(design_spec), table_scale)
+        note_h = cross_note_block_height(design_spec, table_scale)
         below += 8.0 + note_h + cross_table_height(design_spec, table_scale)
     return (width, top + below)
 
diff --git a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Table.py b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Table.py
index 85a559e3e..fe102f202 100644
--- a/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Table.py
+++ b/B07_DesignDetail/B07_DesignDetail_Engine_Cad_Table.py
@@ -401,6 +401,96 @@ def _cross_note_entities(
     ]
 
 
+# 표 위 CAD 칸(260-3) — B06 [상세] 빈 CAD(`design.structure_note_cad`) 엔티티를 표 왼쪽 위에 맞춤.
+# 칸이 있으면(엔티티가 비었어도) 옛 글 대신 이것 · 없으면 옛 글 줄 그대로.
+
+
+def cross_note_cad(design: dict[str, Any] | None) -> list[dict[str, Any]] | None:
+    """설계의 표 위 CAD 엔티티 — 칸이 없으면 None(옛 글 줄로)."""
+    cad = design.get("structure_note_cad") if isinstance(design, dict) else None
+    if not isinstance(cad, dict):
+        return None
+    entities = cad.get("entities")
+    return [e for e in entities if isinstance(e, dict)] if isinstance(entities, list) else []
+
+
+def _text_width(label: str, font: float) -> float:
+    """글 폭 어림(mm) — 한글 · 한자 = 글자 크기 · 그 밖 = 0.6 배."""
+    return sum(font if ord(char) >= 0x2E80 else 0.6 * font for char in label)
+
+
+def note_cad_bbox(entities: list[dict[str, Any]]) -> tuple[float, float, float, float] | None:
+    """CAD 칸 범위 (min_x, min_y, max_x, max_y) — 글은 기준점이 세로 가운데(CAD `textBaseline`)라
+    글 높이 · 폭을 맞춤 쪽으로 더함 · 그 밖은 `entities_bbox`."""
+    from B07_DesignDetail.B07_DesignDetail_Engine_Template import entities_bbox
+
+    boxes = []
+    for entity in entities:
+        shape = entity.get("shapeData") or {}
+        base = shape.get("basePoint")
+        if entity.get("type") == "Text" and isinstance(base, dict):
+            options = shape.get("options") or {}
+            font = float(options.get("fontSize") or 0.0)
+            width = _text_width(str(shape.get("label") or ""), font)
+            x, y = float(base["x"]), float(base["y"])
+            left = {"center": x - width / 2.0, "right": x - width}.get(options.get("textAlign"), x)
+            boxes.append((left, y - font / 2.0, left + width, y + font / 2.0))
+        elif (box := entities_bbox([entity])) is not None:
+            boxes.append(box)
+    if not boxes:
+        return None
+    return (
+        min(b[0] for b in boxes),
+        min(b[1] for b in boxes),
+        max(b[2] for b in boxes),
+        max(b[3] for b in boxes),
+    )
+
+
+def _on_layer(entity: dict[str, Any], layer_id: str) -> dict[str, Any]:
+    entity["layerId"] = layer_id
+    for child in entity.get("children") or []:
+        _on_layer(child, layer_id)
+    return entity
+
+
+def cross_note_block_height(design: dict[str, Any] | None, scale: float = 1.0) -> float:
+    """표 위 칸 높이(mm) — CAD 칸 = 범위 높이 × 배율 · 없으면 옛 글 줄 높이."""
+    cad = cross_note_cad(design)
+    if cad is None:
+        return cross_note_height(cross_note_lines(design), scale)
+    box = note_cad_bbox(cad)
+    return (box[3] - box[1]) * scale if box else 0.0
+
+
+def cross_note_block_entities(
+    drawing_id: str,
+    design: dict[str, Any] | None,
+    top: float,
+    center_x: float = 0.0,
+    scale: float = 1.0,
+) -> list[dict[str, Any]]:
+    """표 위 칸 엔티티 — CAD 칸 = 범위 왼쪽 위를 표 왼쪽 끝 · `top` 에 맞춰 옮김(× 배율 · 표 층 ·
+    id `{도면}:notecad:{n}`) · 없으면 옛 글 줄(`_cross_note_entities`)."""
+    cad = cross_note_cad(design)
+    if cad is None:
+        return _cross_note_entities(drawing_id, cross_note_lines(design), top, center_x, scale)
+    box = note_cad_bbox(cad)
+    if box is None:
+        return []
+    from B07_DesignDetail.B07_DesignDetail_Engine_Template import _transform_entity
+
+    left = center_x - _CROSS_TABLE_WIDTH * scale / 2.0
+    dx, dy = left - box[0] * scale, top - box[3] * scale
+    return [
+        _on_layer(
+            _transform_entity(entity, f"{drawing_id}:notecad:{index}", scale, dx, dy),
+            CROSS_TABLE_LAYER_ID,
+        )
+        for index, entity in enumerate(cad)
+    ]
+
+
 def cross_table_width(scale: float = 1.0) -> float:
     """수량 산출표 가로 폭(mm)."""
     return _CROSS_TABLE_WIDTH * scale
diff --git a/resources/tester/test_260_note_cad.py b/resources/tester/test_260_note_cad.py
index 774dbc8d8..2b408a5c4 100644
--- a/resources/tester/test_260_note_cad.py
+++ b/resources/tester/test_260_note_cad.py
@@ -155,3 +155,142 @@ def test_옛_글은_줄마다_Text_로_옮김(out):
 
 def test_측점_이름은_B07_꼴(out):
     assert out["station"] == ["NO.71+13", "NO.71", "NO.72"]
+
+
+# ── 260-3 B07 표 위 ─────────────────────────────────────────────────────
+
+from B07_DesignDetail.B07_DesignDetail_Engine_Cad import (  # noqa: E402
+    CROSS_TABLE_LAYER_ID,
+    FRAME_LAYER_ID,
+    build_cross_drawing,
+)
+from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Sheet import section_block_size  # noqa: E402
+from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Table import (  # noqa: E402
+    cross_note_block_height,
+    cross_note_cad,
+    note_cad_bbox,
+)
+from B07_DesignDetail.B07_DesignDetail_Engine_Template import entities_bbox  # noqa: E402
+
+_SOURCE = {
+    "chainage_m": 20.0,
+    "samples": [
+        {"valid": True, "offset_m": float(x), "elevation_m": 100.0 + 0.3 * x}
+        for x in range(-10, 11)
+    ],
+}
+_QTABLE = {"ground": 100.0, "planned": 99.5}
+
+
+def _text(label: str, x: float, y: float, align: str = "left", font: float = 2.0) -> dict:
+    return {
+        "id": label,
+        "type": "Text",
+        "lineColor": "#ff7f7f",
+        "lineWidth": 1,
+        "layerId": "기본",
+        "shapeData": {
+            "label": label,
+            "basePoint": {"x": x, "y": y},
+            "options": {"textAlign": align, "fontSize": font, "textColor": "#ff7f7f"},
+        },
+    }
+
+
+# 미리 넣음과 같은 꼴 — 원(중심 6.5,-9 · 반지름 6.5) · 지시선 · 오른쪽 글(도면 좌표 아무 자리여도 됨)
+_CIRCLE = {
+    "id": "c",
+    "type": "Circle",
+    "lineColor": "#ff7f7f",
+    "lineWidth": 1,
+    "layerId": "기본",
+    "shapeData": {"center": {"x": 106.5, "y": 41.0}, "radius": 6.5},
+}
+_CAD = {
+    "structure_note_cad": {
+        "entities": [_CIRCLE, _text("NO.1", 115.0, 48.5), _text("관유출부보강", 115.0, 45.5)],
+        "layers": [{"id": "기본", "name": "기본"}],
+    }
+}
+
+
+def _draw(design: dict | None) -> dict:
+    return build_cross_drawing(_SOURCE, "cross_00020m", None, design, _QTABLE, "No.1")
+
+
+def _table(drawing: dict) -> dict:
+    return next(e for e in drawing["entities"] if e["type"] == "Table")
+
+
+def _frame_height(drawing: dict) -> float:
+    frame = [e for e in drawing["entities"] if e.get("layerId") == FRAME_LAYER_ID]
+    _x0, y0, _x1, y1 = entities_bbox(frame)
+    return y1 - y0
+
+
+def test_CAD_칸_범위는_글_높이_폭까지():
+    """글 기준점 = 세로 가운데 · 왼쪽 맞춤 폭 = 한글 글자 크기 · 원 = 중심 ± 반지름."""
+    box = note_cad_bbox(_CAD["structure_note_cad"]["entities"])
+    assert box == pytest.approx((100.0, 34.5, 115.0 + 6 * 2.0, 49.5))
+    assert note_cad_bbox([_text("AB", 10.0, 0.0, "center")]) == pytest.approx((8.8, -1, 11.2, 1))
+    assert note_cad_bbox([]) is None
+    assert cross_note_cad(None) is None and cross_note_cad({"structure_note": "x"}) is None
+
+
+def test_CAD_칸은_표_왼쪽_위_맞춤_표는_범위_높이만큼_내려감():
+    plain = _draw(None)
+    drawn = _draw(_CAD)
+    height = 49.5 - 34.5
+    assert cross_note_block_height(_CAD) == pytest.approx(height)
+    plain_top = _table(plain)["shapeData"]["origin"]["y"]
+    drawn_top = _table(drawn)["shapeData"]["origin"]["y"]
+    assert plain_top - drawn_top == pytest.approx(height)
+
+    placed = [e for e in drawn["entities"] if e.get("id") in _placed_ids()]
+    left = _table(drawn)["shapeData"]["origin"]["x"]
+    box = note_cad_bbox(placed)
+    # 좌상 맞춤 — 범위 왼쪽 = 표 왼쪽 · 범위 위 = 옛 표 윗변(글 없을 때 표 자리)
+    assert box[0] == pytest.approx(left) and box[3] == pytest.approx(plain_top)
+    assert box[1] == pytest.approx(drawn_top)
+    # 표 층으로 · 크기 그대로(배율 1) · 글 색 그대로 · id 는 도면마다 새로
+    assert {e["layerId"] for e in placed} == {CROSS_TABLE_LAYER_ID}
+    circle = next(e for e in placed if e["type"] == "Circle")
+    assert circle["shapeData"]["radius"] == 6.5
+    assert {e["lineColor"] for e in placed} == {"#ff7f7f"}
+    assert "c" not in {e["id"] for e in placed}
+    # 블록(테두리) · 시트 칸 크기도 같은 규칙
+    assert _frame_height(drawn) - _frame_height(plain) == pytest.approx(height)
+    _w, plain_h = section_block_size(_SOURCE, None)
+    _w, cad_h = section_block_size(_SOURCE, None, design=_CAD)
+    assert cad_h - plain_h == pytest.approx(height)
+    _w, scaled_h = section_block_size(_SOURCE, None, design=_CAD, table_scale=2.0)
+    _w, plain2_h = section_block_size(_SOURCE, None, table_scale=2.0)
+    assert scaled_h - plain2_h == pytest.approx(2 * height)
+
+
+def _placed_ids() -> set[str]:
+    """옮겨 놓은 CAD 칸 엔티티 id — 결정적 seed `{도면}:notecad:{n}`."""
+    from uuid import uuid5
+
+    from B07_DesignDetail.B07_DesignDetail_Engine_Cad import _ENTITY_NS
+
+    return {str(uuid5(_ENTITY_NS, f"cross_00020m:notecad:{n}")) for n in range(3)}
+
+
+def test_CAD_칸이_있으면_옛_글_대신():
+    both = _draw({**_CAD, "structure_note": "옛 글"})
+    labels = [e["shapeData"]["label"] for e in both["entities"] if e["type"] == "Text"]
+    assert "옛 글" not in labels and "NO.1" in labels
+
+
+def test_CAD_칸이_비면_아무것도_안_놓음_옛_글도_안_씀():
+    plain = _draw(None)
+    empty = _draw({"structure_note_cad": {"entities": []}, "structure_note": "옛 글"})
+    assert _table(plain)["shapeData"] == _table(empty)["shapeData"]
+    assert not [e for e in empty["entities"] if e["type"] == "Text"]
+
+
+def test_CAD_칸이_없으면_옛_글_줄_그대로():
+    noted = _draw({"structure_note": "L형 측구\n집수정 보강"})
+    labels = [e["shapeData"]["label"] for e in noted["entities"] if e["type"] == "Text"]
+    assert labels == ["L형 측구", "집수정 보강"]