diff --git a/app/Http/Controllers/RdController.php b/app/Http/Controllers/RdController.php
index 247fb5b5..00f5b148 100644
--- a/app/Http/Controllers/RdController.php
+++ b/app/Http/Controllers/RdController.php
@@ -614,6 +614,18 @@ public function fireShutterDrawing(Request $request): View|\Illuminate\Http\Resp
         return view('rd.fire-shutter-drawing.index');
     }
 
+    /**
+     * 방화셔터 BIM 뷰어
+     */
+    public function fireShutterBimViewer(Request $request): View|\Illuminate\Http\Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('rd.fire-shutter-bim-viewer'));
+        }
+
+        return view('rd.fire-shutter-bim-viewer.index');
+    }
+
     /**
      * 클코 → 슬랙 변환기
      */
diff --git a/resources/views/rd/fire-shutter-bim-viewer/index.blade.php b/resources/views/rd/fire-shutter-bim-viewer/index.blade.php
new file mode 100644
index 00000000..0c1d6051
--- /dev/null
+++ b/resources/views/rd/fire-shutter-bim-viewer/index.blade.php
@@ -0,0 +1,1049 @@
+@extends('layouts.app')
+
+@section('title', '방화셔터 BIM 뷰어')
+
+@section('content')
+<div id="root"></div>
+@endsection
+
+@push('scripts')
+<script src="https://cdn.tailwindcss.com"></script>
+<link href="https://cdn.jsdelivr.net/npm/remixicon@4.2.0/fonts/remixicon.css" rel="stylesheet" />
+<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/controls/OrbitControls.js"></script>
+@include('partials.react-cdn')
+<script type="text/babel">
+@verbatim
+const { useState, useEffect, useRef, useCallback } = React;
+
+/* ════════════════════════════════════════════════
+   상수 & 기본값
+   ════════════════════════════════════════════════ */
+const PRODUCT_DEFAULTS = {
+    steel: {
+        label: '철재슬라트', marginW: 110, marginH: 350, weightFactor: 25,
+        guideRail: { width: 120, depth: 70, thickness: 2.3, lip: 15, sealThickness: 5, sealDepth: 40 },
+        slat: { pitch: 80, thickness: 1.6, profile: 'C' },
+        color: 0x9ca3af,
+    },
+    screen: {
+        label: '스크린형', marginW: 140, marginH: 350, weightFactor: 2,
+        guideRail: { width: 67, depth: 80, thickness: 1.55, lip: 10, sealThickness: 0.8, sealDepth: 40 },
+        slat: { pitch: 100, thickness: 0.8, profile: 'flat' },
+        color: 0xc084fc,
+    },
+};
+const MOTOR_TABLE = [
+    { max: 150, spec: '150K' }, { max: 300, spec: '300K' }, { max: 500, spec: '500K' },
+    { max: 750, spec: '750K' }, { max: 1000, spec: '1000K' }, { max: 1500, spec: '1500K' },
+];
+const PART_COLORS = {
+    case: 0x374151, shaft: 0x64748b, motor: 0x3b82f6, brake: 0xef4444,
+    spring: 0x22c55e, rails: 0x94a3b8, slats: 0x9ca3af, bottomBar: 0xf59e0b,
+    slatRoll: 0xC9B89A, seal: 0xf97316, wall: 0xa1887f,
+};
+const PART_LABELS = {
+    case: '셔터박스', shaft: '샤프트', motor: '모터', brake: '브레이크',
+    spring: '스프링', rails: '가이드레일', slats: '슬랫 커튼', bottomBar: '하장바',
+    slatRoll: '감긴 슬랫', wall: '벽체',
+};
+
+/* ════════════════════════════════════════════════
+   FireShutterScene — Three.js 3D 엔진
+   ════════════════════════════════════════════════ */
+class FireShutterScene {
+    constructor(el) {
+        this.el = el;
+        this.scene = null; this.camera = null; this.renderer = null; this.controls = null;
+        this.raycaster = new THREE.Raycaster();
+        this.mouse = new THREE.Vector2();
+        this.meshes = {};
+        this.onSelect = null;
+        this._animId = null;
+        this._onClick = this.onClick.bind(this);
+        this._onResize = this.onResize.bind(this);
+        this.targetPos = null; this.targetLook = null;
+        this.selectedOutline = null;
+        // 파라미터
+        this.params = {
+            productType: 'screen',
+            openWidth: 2000, openHeight: 3000,
+            shutterPos: 100, caseOpacity: 0.3,
+            show: { case: true, shaft: true, motor: true, brake: true, spring: true, rails: true, slats: true, bottomBar: true, slatRoll: true, wall: false },
+            bgColor: '#1a1a2e',
+            guideRail: { ...PRODUCT_DEFAULTS.screen.guideRail },
+            shutterBox: { width: 2140, height: 380, depth: 500, thickness: 1.6, shaftDia: 80, bracketW: 10, motorSide: 'right' },
+        };
+    }
+
+    init() {
+        const w = this.el.clientWidth, h = this.el.clientHeight;
+        this.scene = new THREE.Scene();
+        this.scene.background = new THREE.Color(this.params.bgColor);
+
+        this.camera = new THREE.PerspectiveCamera(45, w / h, 1, 50000);
+        this.camera.position.set(2000, 1500, 3000);
+
+        this.renderer = new THREE.WebGLRenderer({ antialias: true, preserveDrawingBuffer: true });
+        this.renderer.setSize(w, h);
+        this.renderer.setPixelRatio(window.devicePixelRatio);
+        this.renderer.shadowMap.enabled = true;
+        this.renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+        this.el.appendChild(this.renderer.domElement);
+
+        this.controls = new THREE.OrbitControls(this.camera, this.renderer.domElement);
+        this.controls.enableDamping = true;
+        this.controls.dampingFactor = 0.1;
+        this.controls.target.set(0, 1500, 0);
+
+        // 조명
+        this.scene.add(new THREE.AmbientLight(0xffffff, 0.4));
+        const dir1 = new THREE.DirectionalLight(0xffffff, 0.8);
+        dir1.position.set(2000, 3000, 2000); dir1.castShadow = true;
+        dir1.shadow.mapSize.set(2048, 2048);
+        const sc = dir1.shadow.camera; sc.left = -3000; sc.right = 3000; sc.top = 3000; sc.bottom = -1000;
+        this.scene.add(dir1);
+        this.scene.add(new THREE.DirectionalLight(0xffffff, 0.3).position.set(-2000, 1000, -1000) && new THREE.DirectionalLight(0xffffff, 0.3));
+        this.scene.add(new THREE.HemisphereLight(0x87ceeb, 0x8b4513, 0.3));
+
+        // 그리드
+        const grid = new THREE.GridHelper(6000, 30, 0x444444, 0x333333);
+        grid.position.y = -1;
+        this.scene.add(grid);
+
+        this.el.addEventListener('click', this._onClick);
+        window.addEventListener('resize', this._onResize);
+
+        this.build();
+        this.animate();
+    }
+
+    /* ── 전체 모델 빌드 ── */
+    build() {
+        // 기존 메시 제거
+        Object.values(this.meshes).forEach(m => { if (m) { this.scene.remove(m); this._dispose(m); } });
+        this.meshes = {};
+
+        const p = this.params;
+        const type = p.productType;
+        const def = PRODUCT_DEFAULTS[type];
+        const W1 = p.openWidth + def.marginW;
+        const H = p.openHeight;
+        const b = p.shutterBox;
+        b.width = W1;
+
+        const hw = W1 / 2; // half width
+        const shutterH = H * (p.shutterPos / 100);
+
+        // ── 1. 셔터박스 (CASE) ──
+        this.meshes.case = this._buildCase(b, W1, H);
+        this.scene.add(this.meshes.case);
+
+        // ── 2. 샤프트 ──
+        this.meshes.shaft = this._buildShaft(b, W1, H);
+        this.scene.add(this.meshes.shaft);
+
+        // ── 3. 모터 ──
+        this.meshes.motor = this._buildMotor(b, W1, H);
+        this.scene.add(this.meshes.motor);
+
+        // ── 4. 브레이크 ──
+        this.meshes.brake = this._buildBrake(b, W1, H);
+        this.scene.add(this.meshes.brake);
+
+        // ── 5. 스프링 ──
+        this.meshes.spring = this._buildSpring(b, W1, H);
+        this.scene.add(this.meshes.spring);
+
+        // ── 6. 가이드레일 ──
+        this.meshes.rails = this._buildRails(p.guideRail, W1, H, type);
+        this.scene.add(this.meshes.rails);
+
+        // ── 7. 슬랫 커튼 ──
+        if (shutterH > 0) {
+            this.meshes.slats = this._buildSlats(W1, H, shutterH, type, def);
+            this.scene.add(this.meshes.slats);
+        }
+
+        // ── 8. 감긴 슬랫 롤 ──
+        const rolledH = H - shutterH;
+        if (rolledH > 0) {
+            this.meshes.slatRoll = this._buildSlatRoll(b, W1, H, rolledH, type);
+            this.scene.add(this.meshes.slatRoll);
+        }
+
+        // ── 9. 하장바 ──
+        if (shutterH > 0) {
+            this.meshes.bottomBar = this._buildBottomBar(W1, H, shutterH);
+            this.scene.add(this.meshes.bottomBar);
+        }
+
+        // ── 10. 벽체 ──
+        this.meshes.wall = this._buildWall(W1, H, b);
+        this.scene.add(this.meshes.wall);
+
+        // 가시성 적용
+        Object.entries(this.meshes).forEach(([k, m]) => {
+            if (m) m.visible = p.show[k] !== undefined ? p.show[k] : true;
+        });
+    }
+
+    /* ── 셔터박스 ── */
+    _buildCase(b, W1, H) {
+        const grp = new THREE.Group();
+        const pt = b.thickness;
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.case, transparent: true, opacity: this.params.caseOpacity, side: THREE.DoubleSide, metalness: 0.3, roughness: 0.6 });
+        const edgeMat = new THREE.LineBasicMaterial({ color: 0x1f2937, transparent: true, opacity: 0.5 });
+        const frontH = b.height * 0.6;
+
+        const addPlate = (w, h, d, x, y, z) => {
+            const geo = new THREE.BoxGeometry(w, h, d);
+            const m = new THREE.Mesh(geo, mat);
+            m.position.set(x, y, z);
+            m.userData = { part: 'case', label: '셔터박스' };
+            grp.add(m);
+            grp.add(new THREE.LineSegments(new THREE.EdgesGeometry(geo), edgeMat).translateX(x).translateY(y).translateZ(z));
+        };
+
+        // 상판
+        addPlate(W1, pt, b.depth, 0, b.height, 0);
+        // 후면판
+        addPlate(W1, b.height, pt, 0, b.height / 2, -b.depth / 2 + pt / 2);
+        // 전면판 (짧음)
+        addPlate(W1, frontH, pt, 0, b.height - frontH / 2, b.depth / 2 - pt / 2);
+        // 좌측판
+        addPlate(pt, b.height, b.depth, -W1 / 2 + pt / 2, b.height / 2, 0);
+        // 우측판
+        addPlate(pt, b.height, b.depth, W1 / 2 - pt / 2, b.height / 2, 0);
+
+        grp.position.set(0, H, 0);
+        return grp;
+    }
+
+    /* ── 샤프트 ── */
+    _buildShaft(b, W1, H) {
+        const grp = new THREE.Group();
+        const shaftR = b.shaftDia / 2;
+        const shaftLen = W1 - 60;
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.shaft, metalness: 0.5, roughness: 0.4 });
+
+        const geo = new THREE.CylinderGeometry(shaftR, shaftR, shaftLen, 32);
+        geo.rotateZ(Math.PI / 2);
+        const mesh = new THREE.Mesh(geo, mat);
+        mesh.userData = { part: 'shaft', label: '샤프트', diameter: b.shaftDia + 'mm', length: shaftLen + 'mm' };
+        grp.add(mesh);
+
+        // 양쪽 스텁핀
+        const pinR = 15, pinLen = 50;
+        const pinGeo = new THREE.CylinderGeometry(pinR, pinR, pinLen, 16);
+        pinGeo.rotateZ(Math.PI / 2);
+        const pinMat = new THREE.MeshStandardMaterial({ color: 0x475569, metalness: 0.6, roughness: 0.3 });
+        const pinL = new THREE.Mesh(pinGeo, pinMat);
+        pinL.position.set(-shaftLen / 2 - pinLen / 2, 0, 0);
+        grp.add(pinL);
+        const pinR2 = new THREE.Mesh(pinGeo.clone(), pinMat);
+        pinR2.position.set(shaftLen / 2 + pinLen / 2, 0, 0);
+        grp.add(pinR2);
+
+        const shaftY = H + b.height / 2;
+        grp.position.set(0, shaftY, 0);
+        return grp;
+    }
+
+    /* ── 모터 ── */
+    _buildMotor(b, W1, H) {
+        const grp = new THREE.Group();
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.motor, metalness: 0.4, roughness: 0.5 });
+        // 모터 본체 (원통)
+        const motorR = 60, motorLen = 200;
+        const geo = new THREE.CylinderGeometry(motorR, motorR, motorLen, 24);
+        geo.rotateZ(Math.PI / 2);
+        const mesh = new THREE.Mesh(geo, mat);
+        mesh.userData = { part: 'motor', label: '모터/감속기' };
+        grp.add(mesh);
+        // 감속기 (작은 박스)
+        const gearGeo = new THREE.BoxGeometry(100, 80, 80);
+        const gear = new THREE.Mesh(gearGeo, mat.clone());
+        gear.material.color.setHex(0x2563eb);
+        gear.position.set(b.motorSide === 'right' ? 60 : -60, -30, 0);
+        grp.add(gear);
+
+        const side = b.motorSide === 'right' ? 1 : -1;
+        const shaftY = H + b.height / 2;
+        grp.position.set(side * (W1 / 2 - 150), shaftY, 0);
+        return grp;
+    }
+
+    /* ── 브레이크 ── */
+    _buildBrake(b, W1, H) {
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.brake, metalness: 0.3, roughness: 0.5 });
+        const geo = new THREE.CylinderGeometry(45, 45, 40, 24);
+        geo.rotateZ(Math.PI / 2);
+        const mesh = new THREE.Mesh(geo, mat);
+        mesh.userData = { part: 'brake', label: '브레이크' };
+        const side = b.motorSide === 'right' ? 1 : -1;
+        mesh.position.set(side * (W1 / 2 - 350), H + b.height / 2, 0);
+        return mesh;
+    }
+
+    /* ── 밸런스 스프링 ── */
+    _buildSpring(b, W1, H) {
+        const grp = new THREE.Group();
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.spring, metalness: 0.2, roughness: 0.6 });
+        // 나선형 스프링 (토러스로 단순화)
+        const springR = 35, tubeR = 8;
+        const geo = new THREE.TorusGeometry(springR, tubeR, 8, 32);
+        const mesh = new THREE.Mesh(geo, mat);
+        mesh.rotation.y = Math.PI / 2;
+        mesh.userData = { part: 'spring', label: '밸런스 스프링' };
+        grp.add(mesh);
+
+        const side = b.motorSide === 'right' ? -1 : 1;
+        grp.position.set(side * (W1 / 2 - 150), H + b.height / 2, 0);
+        return grp;
+    }
+
+    /* ── 가이드레일 (C채널 ExtrudeGeometry) ── */
+    _buildRails(gr, W1, H, type) {
+        const grp = new THREE.Group();
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.rails, metalness: 0.4, roughness: 0.5, side: THREE.DoubleSide });
+        const sealMat = new THREE.MeshStandardMaterial({ color: PART_COLORS.seal, metalness: 0, roughness: 0.8 });
+
+        const createRail = () => {
+            const railGrp = new THREE.Group();
+            const rw = gr.width, rd = gr.depth, rt = gr.thickness, lp = gr.lip;
+
+            // C채널 프로파일 (ExtrudeGeometry)
+            const shape = new THREE.Shape();
+            // 외곽 (시계방향)
+            shape.moveTo(0, 0);
+            shape.lineTo(0, rd);
+            shape.lineTo(rw, rd);
+            shape.lineTo(rw, 0);
+            shape.lineTo(rw - lp, 0);
+            shape.lineTo(rw - lp, rt);
+            shape.lineTo(rt, rt);
+            shape.lineTo(rt, 0);
+            shape.lineTo(0, 0);
+
+            // 내부 채널 (hole - 반시계방향)
+            const hole = new THREE.Path();
+            const innerW = rw - rt * 2 - lp;
+            if (innerW > 0 && rd - rt * 2 > 0) {
+                hole.moveTo(rt + lp, rt);
+                hole.lineTo(rw - rt, rt);
+                hole.lineTo(rw - rt, rd - rt);
+                hole.lineTo(rt, rd - rt);
+                hole.lineTo(rt, rt);
+                hole.lineTo(rt + lp, rt);
+                shape.holes.push(hole);
+            }
+
+            const extrudeSettings = { depth: H + 200, bevelEnabled: false };
+            const geo = new THREE.ExtrudeGeometry(shape, extrudeSettings);
+            const mesh = new THREE.Mesh(geo, mat);
+            mesh.userData = { part: 'rails', label: '가이드레일', width: rw + 'mm', depth: rd + 'mm', thickness: rt + 'mm' };
+            railGrp.add(mesh);
+
+            // 연기차단재
+            if (gr.sealThickness > 0) {
+                const sealGeo = new THREE.BoxGeometry(gr.sealThickness, gr.sealDepth, H + 100);
+                const seal1 = new THREE.Mesh(sealGeo, sealMat);
+                seal1.position.set(rw / 2, rd / 2 + 5, (H + 100) / 2);
+                railGrp.add(seal1);
+                const seal2 = new THREE.Mesh(sealGeo.clone(), sealMat);
+                seal2.position.set(rw / 2, rd / 2 - 5, (H + 100) / 2);
+                railGrp.add(seal2);
+            }
+
+            // XY평면 → 수직 회전
+            railGrp.rotation.x = -Math.PI / 2;
+            return railGrp;
+        };
+
+        const hw = W1 / 2;
+        // 좌측 레일
+        const railL = createRail();
+        const wrapL = new THREE.Group();
+        wrapL.add(railL);
+        wrapL.rotation.y = Math.PI / 2;
+        wrapL.position.set(-hw - gr.width / 2, 0, gr.depth / 2);
+        grp.add(wrapL);
+
+        // 우측 레일
+        const railR = createRail();
+        const wrapR = new THREE.Group();
+        wrapR.add(railR);
+        wrapR.rotation.y = -Math.PI / 2;
+        wrapR.position.set(hw + gr.width / 2, 0, gr.depth / 2);
+        grp.add(wrapR);
+
+        return grp;
+    }
+
+    /* ── 슬랫 커튼 ── */
+    _buildSlats(W1, H, shutterH, type, def) {
+        const grp = new THREE.Group();
+        const isSteel = type === 'steel';
+        const slatMat = new THREE.MeshStandardMaterial({
+            color: isSteel ? 0x9ca3af : 0xc084fc,
+            side: THREE.DoubleSide,
+            transparent: !isSteel, opacity: isSteel ? 0.95 : 0.6,
+            metalness: isSteel ? 0.4 : 0, roughness: isSteel ? 0.5 : 0.8,
+        });
+
+        const slatGeo = new THREE.PlaneGeometry(W1 - 20, shutterH);
+        const slatMesh = new THREE.Mesh(slatGeo, slatMat);
+        slatMesh.userData = { part: 'slats', label: '슬랫 커튼', type: isSteel ? '철재슬라트' : '스크린', height: shutterH + 'mm' };
+        grp.add(slatMesh);
+
+        // 슬랫 라인 (철재형)
+        if (isSteel) {
+            const pitch = def.slat.pitch;
+            const count = Math.floor(shutterH / pitch);
+            const lineMat = new THREE.LineBasicMaterial({ color: 0x6b7280 });
+            for (let i = 1; i < count; i++) {
+                const y = shutterH / 2 - i * pitch;
+                const pts = [new THREE.Vector3(-W1 / 2 + 15, y, 1), new THREE.Vector3(W1 / 2 - 15, y, 1)];
+                grp.add(new THREE.Line(new THREE.BufferGeometry().setFromPoints(pts), lineMat));
+            }
+        }
+
+        grp.position.set(0, H - shutterH / 2, 0);
+        return grp;
+    }
+
+    /* ── 감긴 슬랫 롤 ── */
+    _buildSlatRoll(b, W1, H, rolledH, type) {
+        const grp = new THREE.Group();
+        const isSteel = type === 'steel';
+        const wrapThick = isSteel ? 10 : 1;
+        const shaftR = b.shaftDia / 2;
+        const rollThick = Math.max(Math.sqrt(rolledH * wrapThick / Math.PI), 8);
+        const rollOuterR = shaftR + rollThick;
+        const rollLen = W1 - 80;
+
+        const rollGeo = new THREE.CylinderGeometry(rollOuterR, rollOuterR, rollLen, 48);
+        rollGeo.rotateZ(Math.PI / 2);
+        const rollMat = new THREE.MeshStandardMaterial({
+            color: isSteel ? PART_COLORS.slatRoll : 0xc084fc,
+            metalness: isSteel ? 0.2 : 0, roughness: isSteel ? 0.5 : 0.8,
+            transparent: true, opacity: 0.9,
+        });
+        const rollMesh = new THREE.Mesh(rollGeo, rollMat);
+        rollMesh.userData = { part: 'slatRoll', label: '감긴 슬랫', outerRadius: rollOuterR.toFixed(1) + 'mm' };
+        grp.add(rollMesh);
+
+        // 나선 라인 (감긴 질감)
+        if (rollThick > 5) {
+            const spiralMat = new THREE.LineBasicMaterial({ color: isSteel ? 0x8B7355 : 0x7c4dff, transparent: true, opacity: 0.5 });
+            for (let s = 0; s < 4; s++) {
+                const pts = [];
+                const turns = Math.max(3, Math.min(rollLen / 60, 25));
+                const startA = (s / 4) * Math.PI * 2;
+                for (let i = 0; i <= turns * 32; i++) {
+                    const t = i / (turns * 32);
+                    const angle = startA + t * turns * Math.PI * 2;
+                    pts.push(new THREE.Vector3(
+                        -rollLen / 2 + t * rollLen,
+                        Math.sin(angle) * (rollOuterR + 0.5),
+                        Math.cos(angle) * (rollOuterR + 0.5)
+                    ));
+                }
+                grp.add(new THREE.Line(new THREE.BufferGeometry().setFromPoints(pts), spiralMat));
+            }
+        }
+
+        grp.position.set(0, H + b.height / 2, 0);
+        return grp;
+    }
+
+    /* ── 하장바 ── */
+    _buildBottomBar(W1, H, shutterH) {
+        const geo = new THREE.BoxGeometry(W1 - 20, 40, 60);
+        const mat = new THREE.MeshStandardMaterial({ color: PART_COLORS.bottomBar, metalness: 0.3, roughness: 0.5 });
+        const mesh = new THREE.Mesh(geo, mat);
+        mesh.userData = { part: 'bottomBar', label: '하장바' };
+        mesh.position.set(0, H - shutterH - 20, 0);
+        return mesh;
+    }
+
+    /* ── 벽체 ── */
+    _buildWall(W1, H, b) {
+        const grp = new THREE.Group();
+        const wallMat = new THREE.MeshStandardMaterial({ color: PART_COLORS.wall, transparent: true, opacity: 0.25, side: THREE.DoubleSide });
+        const wallThick = 200;
+        const totalH = H + b.height + 100;
+
+        // 좌측 벽
+        const wallGeoL = new THREE.BoxGeometry(wallThick, totalH, b.depth + 200);
+        const wallL = new THREE.Mesh(wallGeoL, wallMat);
+        wallL.position.set(-W1 / 2 - wallThick / 2 - 50, totalH / 2, 0);
+        grp.add(wallL);
+
+        // 우측 벽
+        const wallR = new THREE.Mesh(wallGeoL.clone(), wallMat);
+        wallR.position.set(W1 / 2 + wallThick / 2 + 50, totalH / 2, 0);
+        grp.add(wallR);
+
+        // 천장 (케이스 위)
+        const ceilGeo = new THREE.BoxGeometry(W1 + wallThick * 2 + 100, 100, b.depth + 400);
+        const ceil = new THREE.Mesh(ceilGeo, wallMat);
+        ceil.position.set(0, totalH + 50, 0);
+        grp.add(ceil);
+
+        // 바닥
+        const floorGeo = new THREE.BoxGeometry(W1 + wallThick * 2 + 100, 20, b.depth + 400);
+        const floorMat = new THREE.MeshStandardMaterial({ color: 0x64748b, transparent: true, opacity: 0.3 });
+        const floor = new THREE.Mesh(floorGeo, floorMat);
+        floor.position.set(0, -10, 0);
+        grp.add(floor);
+
+        return grp;
+    }
+
+    /* ── 파라미터 업데이트 ── */
+    updateParams(newParams) {
+        Object.assign(this.params, newParams);
+        // 가이드레일 기본값 동기화
+        if (newParams.productType) {
+            const def = PRODUCT_DEFAULTS[newParams.productType];
+            this.params.guideRail = { ...def.guideRail };
+        }
+        this.build();
+    }
+
+    setShutterPos(v) {
+        this.params.shutterPos = v;
+        this.build();
+    }
+
+    setCaseOpacity(v) {
+        this.params.caseOpacity = v;
+        if (this.meshes.case) {
+            this.meshes.case.traverse(c => { if (c.isMesh && c.material) c.material.opacity = v; });
+        }
+    }
+
+    togglePart(key, visible) {
+        this.params.show[key] = visible;
+        if (this.meshes[key]) this.meshes[key].visible = visible;
+    }
+
+    setBgColor(color) {
+        this.params.bgColor = color;
+        this.scene.background = new THREE.Color(color);
+    }
+
+    /* ── 카메라 뷰 ── */
+    setView(preset) {
+        const b = new THREE.Box3();
+        Object.values(this.meshes).forEach(m => { if (m && m.visible) b.expandByObject(m); });
+        if (b.isEmpty()) return;
+        const center = b.getCenter(new THREE.Vector3());
+        const size = b.getSize(new THREE.Vector3());
+        const d = Math.max(size.x, size.y, size.z) * 0.8;
+
+        const views = {
+            perspective: [center.x + d, center.y + d * 0.5, center.z + d],
+            front: [center.x, center.y, center.z + d * 1.3],
+            back: [center.x, center.y, center.z - d * 1.3],
+            right: [center.x + d * 1.3, center.y, center.z],
+            left: [center.x - d * 1.3, center.y, center.z],
+            top: [center.x, center.y + d * 1.5, center.z + 0.01],
+        };
+        this.targetPos = new THREE.Vector3(...(views[preset] || views.perspective));
+        this.targetLook = center.clone();
+    }
+
+    fitToModel() {
+        const b = new THREE.Box3();
+        Object.values(this.meshes).forEach(m => { if (m && m.visible) b.expandByObject(m); });
+        if (b.isEmpty()) return;
+        const center = b.getCenter(new THREE.Vector3());
+        const size = b.getSize(new THREE.Vector3());
+        const d = Math.max(size.x, size.y, size.z) * 1.2;
+        this.targetPos = new THREE.Vector3(center.x + d * 0.6, center.y + d * 0.4, center.z + d * 0.6);
+        this.targetLook = center.clone();
+    }
+
+    /* ── 클릭 선택 (Raycaster) ── */
+    onClick(e) {
+        const rect = this.el.getBoundingClientRect();
+        this.mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;
+        this.mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;
+        this.raycaster.setFromCamera(this.mouse, this.camera);
+
+        const targets = [];
+        Object.values(this.meshes).forEach(m => { if (m && m.visible) { if (m.isMesh) targets.push(m); else m.traverse(c => { if (c.isMesh) targets.push(c); }); } });
+
+        const hits = this.raycaster.intersectObjects(targets, false);
+        // 이전 선택 해제
+        if (this.selectedOutline) { this.scene.remove(this.selectedOutline); this.selectedOutline = null; }
+
+        if (hits.length > 0) {
+            const hit = hits[0].object;
+            const ud = hit.userData || {};
+            // 외곽선 하이라이트
+            if (hit.geometry) {
+                const outline = new THREE.LineSegments(
+                    new THREE.EdgesGeometry(hit.geometry),
+                    new THREE.LineBasicMaterial({ color: 0x3b82f6, linewidth: 2 })
+                );
+                outline.position.copy(hit.getWorldPosition(new THREE.Vector3()));
+                outline.quaternion.copy(hit.getWorldQuaternion(new THREE.Quaternion()));
+                outline.scale.copy(hit.getWorldScale(new THREE.Vector3()));
+                this.scene.add(outline);
+                this.selectedOutline = outline;
+            }
+            if (this.onSelect) this.onSelect(ud);
+        } else {
+            if (this.onSelect) this.onSelect(null);
+        }
+    }
+
+    /* ── 스크린샷 ── */
+    screenshot() {
+        this.renderer.render(this.scene, this.camera);
+        const url = this.renderer.domElement.toDataURL('image/png');
+        const a = document.createElement('a');
+        a.href = url; a.download = 'fire-shutter-bim.png';
+        document.body.appendChild(a); a.click(); document.body.removeChild(a);
+    }
+
+    /* ── 리사이즈 ── */
+    onResize() {
+        const w = this.el.clientWidth, h = this.el.clientHeight;
+        this.camera.aspect = w / h;
+        this.camera.updateProjectionMatrix();
+        this.renderer.setSize(w, h);
+    }
+
+    /* ── 애니메이션 루프 ── */
+    animate() {
+        this._animId = requestAnimationFrame(() => this.animate());
+        if (this.targetPos) {
+            this.camera.position.lerp(this.targetPos, 0.07);
+            this.controls.target.lerp(this.targetLook, 0.07);
+            if (this.camera.position.distanceTo(this.targetPos) < 1) this.targetPos = null;
+        }
+        this.controls.update();
+        this.renderer.render(this.scene, this.camera);
+    }
+
+    /* ── 정리 ── */
+    _dispose(obj) {
+        obj.traverse(c => {
+            if (c.geometry) c.geometry.dispose();
+            if (c.material) {
+                if (Array.isArray(c.material)) c.material.forEach(m => m.dispose());
+                else c.material.dispose();
+            }
+        });
+    }
+
+    dispose() {
+        if (this._animId) cancelAnimationFrame(this._animId);
+        this.el.removeEventListener('click', this._onClick);
+        window.removeEventListener('resize', this._onResize);
+        Object.values(this.meshes).forEach(m => { if (m) this._dispose(m); });
+        if (this.renderer) this.renderer.dispose();
+    }
+}
+
+/* ════════════════════════════════════════════════
+   React Components
+   ════════════════════════════════════════════════ */
+
+/* ── 좌측 파라미터 패널 ── */
+function ParamPanel({ params, onParamChange, onRebuild }) {
+    const p = params;
+    const def = PRODUCT_DEFAULTS[p.productType];
+    const W1 = p.openWidth + def.marginW;
+    const H1 = p.openHeight + def.marginH;
+    const area = (W1 * H1 / 1e6).toFixed(2);
+    const weight = (area * def.weightFactor).toFixed(1);
+    const motor = MOTOR_TABLE.find(m => weight <= m.max) || MOTOR_TABLE[MOTOR_TABLE.length - 1];
+
+    const inputCls = "w-full bg-slate-950/80 border border-slate-700 rounded-lg px-3 py-1.5 text-white text-sm font-bold outline-none focus:border-blue-500 transition-colors";
+    const labelCls = "text-slate-400 text-[11px] font-bold mb-1 block";
+    const sectionCls = "bg-slate-900/50 rounded-xl p-4 border border-slate-800 mb-3";
+
+    return (
+        <div className="space-y-3" style={{fontSize:'13px'}}>
+            {/* 제품 유형 */}
+            <div className={sectionCls}>
+                <h3 className="text-white text-sm font-black mb-3 flex items-center gap-2">
+                    <i className="ri-fire-line text-red-400"></i> 기본 설정
+                </h3>
+                <div className="grid grid-cols-2 gap-3">
+                    <div>
+                        <label className={labelCls}>제품 유형</label>
+                        <select className={inputCls} value={p.productType}
+                            onChange={e => onParamChange({ productType: e.target.value })}>
+                            <option value="steel">철재슬라트</option>
+                            <option value="screen">스크린형</option>
+                        </select>
+                    </div>
+                    <div>
+                        <label className={labelCls}>개구부 폭 (mm)</label>
+                        <input type="number" className={inputCls} value={p.openWidth}
+                            onChange={e => onParamChange({ openWidth: Number(e.target.value) })} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>개구부 높이 (mm)</label>
+                        <input type="number" className={inputCls} value={p.openHeight}
+                            onChange={e => onParamChange({ openHeight: Number(e.target.value) })} />
+                    </div>
+                </div>
+                {/* 자동 계산 */}
+                <div className="mt-3 pt-3 border-t border-slate-700/50 grid grid-cols-3 gap-2 text-[11px]">
+                    <div><span className="text-slate-500">제작폭</span><br/><b className="text-white">{W1}mm</b></div>
+                    <div><span className="text-slate-500">면적</span><br/><b className="text-white">{area}m&sup2;</b></div>
+                    <div><span className="text-slate-500">중량</span><br/><b className="text-white">{weight}kg</b></div>
+                    <div><span className="text-slate-500">모터</span><br/><b className="text-blue-400">{motor.spec}</b></div>
+                    <div><span className="text-slate-500">유형</span><br/><b className="text-amber-400">{def.label}</b></div>
+                </div>
+            </div>
+
+            {/* 셔터박스 */}
+            <div className={sectionCls}>
+                <h3 className="text-white text-sm font-black mb-3 flex items-center gap-2">
+                    <i className="ri-inbox-line text-amber-400"></i> 셔터박스
+                </h3>
+                <div className="grid grid-cols-2 gap-3">
+                    <div>
+                        <label className={labelCls}>높이 (mm)</label>
+                        <input type="number" className={inputCls} value={p.shutterBox.height}
+                            onChange={e => { p.shutterBox.height = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>깊이 (mm)</label>
+                        <input type="number" className={inputCls} value={p.shutterBox.depth}
+                            onChange={e => { p.shutterBox.depth = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>샤프트 직경 (mm)</label>
+                        <input type="number" className={inputCls} value={p.shutterBox.shaftDia}
+                            onChange={e => { p.shutterBox.shaftDia = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>모터 위치</label>
+                        <select className={inputCls} value={p.shutterBox.motorSide}
+                            onChange={e => { p.shutterBox.motorSide = e.target.value; onRebuild(); }}>
+                            <option value="right">우측</option>
+                            <option value="left">좌측</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+
+            {/* 가이드레일 */}
+            <div className={sectionCls}>
+                <h3 className="text-white text-sm font-black mb-3 flex items-center gap-2">
+                    <i className="ri-layout-column-line text-purple-400"></i> 가이드레일
+                </h3>
+                <div className="grid grid-cols-2 gap-3">
+                    <div>
+                        <label className={labelCls}>폭 (mm)</label>
+                        <input type="number" className={inputCls} value={p.guideRail.width} step="0.1"
+                            onChange={e => { p.guideRail.width = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>깊이 (mm)</label>
+                        <input type="number" className={inputCls} value={p.guideRail.depth} step="0.1"
+                            onChange={e => { p.guideRail.depth = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>두께 (mm)</label>
+                        <input type="number" className={inputCls} value={p.guideRail.thickness} step="0.01"
+                            onChange={e => { p.guideRail.thickness = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                    <div>
+                        <label className={labelCls}>립 높이 (mm)</label>
+                        <input type="number" className={inputCls} value={p.guideRail.lip} step="0.1"
+                            onChange={e => { p.guideRail.lip = Number(e.target.value); onRebuild(); }} />
+                    </div>
+                </div>
+            </div>
+        </div>
+    );
+}
+
+/* ── 하단 툴바 ── */
+function Toolbar({ onView, visibility, onToggle, shutterPos, onShutterPos, caseOpacity, onOpacity, onScreenshot, onBgColor }) {
+    const views = [
+        { id: 'perspective', icon: 'ri-box-3-line', label: '투시도' },
+        { id: 'front', icon: 'ri-layout-bottom-2-line', label: '정면' },
+        { id: 'right', icon: 'ri-layout-right-2-line', label: '우측' },
+        { id: 'left', icon: 'ri-layout-left-2-line', label: '좌측' },
+        { id: 'top', icon: 'ri-layout-top-2-line', label: '상부' },
+        { id: 'back', icon: 'ri-arrow-go-back-line', label: '배면' },
+    ];
+
+    const partKeys = Object.keys(PART_LABELS);
+    const bgColors = ['#1a1a2e', '#000000', '#0f172a', '#ffffff', '#f0f0f0', '#303030'];
+
+    return (
+        <div style={{background:'rgba(15,23,42,0.9)',backdropFilter:'blur(12px)',borderTop:'1px solid rgba(255,255,255,0.1)'}}
+            className="px-4 py-2 flex items-center gap-4 flex-wrap">
+            {/* 시점 */}
+            <div className="flex gap-1">
+                {views.map(v => (
+                    <button key={v.id} onClick={() => onView(v.id)} title={v.label}
+                        className="w-8 h-8 rounded-lg flex items-center justify-center text-slate-400 hover:text-white hover:bg-slate-700 transition-colors">
+                        <i className={v.icon + ' text-base'}></i>
+                    </button>
+                ))}
+            </div>
+
+            <div className="w-px h-6 bg-slate-700"></div>
+
+            {/* 개폐율 */}
+            <div className="flex items-center gap-2">
+                <span className="text-[10px] text-slate-500 font-bold">개폐</span>
+                <input type="range" min="0" max="100" value={shutterPos}
+                    onChange={e => onShutterPos(Number(e.target.value))}
+                    className="w-20 accent-blue-500" style={{height:'3px'}} />
+                <span className="text-[10px] text-blue-400 font-black w-7 text-right">{shutterPos}%</span>
+            </div>
+
+            {/* 투명도 */}
+            <div className="flex items-center gap-2">
+                <span className="text-[10px] text-slate-500 font-bold">투명</span>
+                <input type="range" min="0" max="100" value={Math.round(caseOpacity * 100)}
+                    onChange={e => onOpacity(Number(e.target.value) / 100)}
+                    className="w-16 accent-blue-500" style={{height:'3px'}} />
+            </div>
+
+            <div className="w-px h-6 bg-slate-700"></div>
+
+            {/* 부품 토글 */}
+            <div className="flex gap-1 flex-wrap">
+                {partKeys.map(k => (
+                    <button key={k} onClick={() => onToggle(k)}
+                        className={'px-2 py-1 rounded text-[10px] font-bold transition-colors ' +
+                            (visibility[k] !== false ? 'bg-slate-700 text-white' : 'bg-transparent text-slate-600 line-through')}
+                        title={PART_LABELS[k]}>
+                        {PART_LABELS[k]}
+                    </button>
+                ))}
+            </div>
+
+            <div className="w-px h-6 bg-slate-700"></div>
+
+            {/* 배경색 */}
+            <div className="flex gap-1">
+                {bgColors.map(c => (
+                    <button key={c} onClick={() => onBgColor(c)}
+                        className="w-5 h-5 rounded border border-slate-600 hover:border-blue-400 transition-colors"
+                        style={{background: c}}></button>
+                ))}
+            </div>
+
+            {/* 스크린샷 */}
+            <button onClick={onScreenshot}
+                className="ml-auto px-3 py-1.5 rounded-lg bg-blue-600 hover:bg-blue-500 text-white text-[11px] font-bold transition-colors flex items-center gap-1">
+                <i className="ri-camera-line"></i> 스크린샷
+            </button>
+        </div>
+    );
+}
+
+/* ── 우측 정보 패널 ── */
+function InfoPanel({ selected, params }) {
+    const def = PRODUCT_DEFAULTS[params.productType];
+    const W1 = params.openWidth + def.marginW;
+    const H1 = params.openHeight + def.marginH;
+    const area = (W1 * H1 / 1e6).toFixed(2);
+    const weight = (area * def.weightFactor).toFixed(1);
+
+    return (
+        <div style={{width:'260px',background:'rgba(15,23,42,0.85)',backdropFilter:'blur(12px)',borderLeft:'1px solid rgba(255,255,255,0.1)'}}
+            className="p-4 overflow-y-auto custom-scrollbar flex-shrink-0">
+            <h3 className="text-white text-sm font-black mb-3 flex items-center gap-2">
+                <i className="ri-information-line text-blue-400"></i> 모델 정보
+            </h3>
+            <div className="space-y-2 text-[11px]">
+                <div className="flex justify-between"><span className="text-slate-500">제품 유형</span><span className="text-white font-bold">{def.label}</span></div>
+                <div className="flex justify-between"><span className="text-slate-500">개구부</span><span className="text-white font-bold">{params.openWidth} x {params.openHeight}mm</span></div>
+                <div className="flex justify-between"><span className="text-slate-500">제작 크기</span><span className="text-white font-bold">{W1} x {H1}mm</span></div>
+                <div className="flex justify-between"><span className="text-slate-500">면적</span><span className="text-white font-bold">{area}m&sup2;</span></div>
+                <div className="flex justify-between"><span className="text-slate-500">추정 중량</span><span className="text-white font-bold">{weight}kg</span></div>
+                <div className="flex justify-between"><span className="text-slate-500">셔터박스</span><span className="text-white font-bold">{params.shutterBox.height}mm</span></div>
+                <div className="flex justify-between"><span className="text-slate-500">샤프트</span><span className="text-white font-bold">ø{params.shutterBox.shaftDia}mm</span></div>
+            </div>
+
+            {selected && (
+                <div className="mt-4 pt-4 border-t border-slate-700">
+                    <h3 className="text-white text-sm font-black mb-3 flex items-center gap-2">
+                        <i className="ri-focus-3-line text-amber-400"></i> 선택된 부품
+                    </h3>
+                    <div className="space-y-2 text-[11px]">
+                        {Object.entries(selected).map(([k, v]) => (
+                            <div key={k} className="flex justify-between">
+                                <span className="text-slate-500">{k}</span>
+                                <span className="text-white font-bold">{String(v)}</span>
+                            </div>
+                        ))}
+                    </div>
+                </div>
+            )}
+
+            {/* 부품 색상 범례 */}
+            <div className="mt-4 pt-4 border-t border-slate-700">
+                <h3 className="text-slate-400 text-[11px] font-black mb-2">부품 범례</h3>
+                <div className="space-y-1">
+                    {Object.entries(PART_LABELS).map(([k, label]) => (
+                        <div key={k} className="flex items-center gap-2 text-[10px]">
+                            <span className="w-3 h-3 rounded-sm flex-shrink-0"
+                                style={{background: '#' + PART_COLORS[k].toString(16).padStart(6, '0')}}></span>
+                            <span className="text-slate-400">{label}</span>
+                        </div>
+                    ))}
+                </div>
+            </div>
+        </div>
+    );
+}
+
+/* ── 메인 앱 ── */
+function FireShutterBimApp() {
+    const vpRef = useRef(null);
+    const sceneRef = useRef(null);
+    const [selected, setSelected] = useState(null);
+    const [params, setParams] = useState(null);
+    const [shutterPos, setShutterPos] = useState(100);
+    const [caseOpacity, setCaseOpacity] = useState(0.3);
+    const [visibility, setVisibility] = useState({
+        case: true, shaft: true, motor: true, brake: true, spring: true,
+        rails: true, slats: true, bottomBar: true, slatRoll: true, wall: false,
+    });
+
+    useEffect(() => {
+        if (!vpRef.current) return;
+        const s = new FireShutterScene(vpRef.current);
+        s.init();
+        s.onSelect = setSelected;
+        sceneRef.current = s;
+        setParams({...s.params});
+
+        // 초기 카메라 위치
+        setTimeout(() => s.setView('perspective'), 100);
+
+        return () => s.dispose();
+    }, []);
+
+    const handleParamChange = useCallback((changes) => {
+        const s = sceneRef.current;
+        if (!s) return;
+        s.updateParams(changes);
+        setParams({...s.params});
+    }, []);
+
+    const handleRebuild = useCallback(() => {
+        const s = sceneRef.current;
+        if (!s) return;
+        s.build();
+        setParams({...s.params});
+    }, []);
+
+    const handleShutterPos = useCallback((v) => {
+        setShutterPos(v);
+        sceneRef.current?.setShutterPos(v);
+    }, []);
+
+    const handleOpacity = useCallback((v) => {
+        setCaseOpacity(v);
+        sceneRef.current?.setCaseOpacity(v);
+    }, []);
+
+    const handleToggle = useCallback((key) => {
+        setVisibility(prev => {
+            const next = {...prev, [key]: prev[key] === false ? true : false};
+            sceneRef.current?.togglePart(key, next[key]);
+            return next;
+        });
+    }, []);
+
+    const handleView = useCallback((preset) => {
+        sceneRef.current?.setView(preset);
+    }, []);
+
+    const handleBgColor = useCallback((color) => {
+        sceneRef.current?.setBgColor(color);
+    }, []);
+
+    const handleScreenshot = useCallback(() => {
+        sceneRef.current?.screenshot();
+    }, []);
+
+    if (!params) return null;
+
+    return (
+        <div style={{margin:'-24px',height:'calc(100vh - 64px)',background:'#020617',display:'flex',flexDirection:'column',overflow:'hidden'}}>
+            {/* 상단 헤더 */}
+            <div style={{background:'rgba(15,23,42,0.9)',borderBottom:'1px solid rgba(255,255,255,0.1)',backdropFilter:'blur(12px)'}}
+                className="px-5 py-2.5 flex items-center gap-4 flex-shrink-0">
+                <div className="flex items-center gap-2">
+                    <i className="ri-fire-line text-red-400 text-lg"></i>
+                    <h1 className="text-white text-base font-black">방화셔터 BIM 뷰어</h1>
+                </div>
+                <span className="text-slate-500 text-[11px]">|</span>
+                <span className="text-slate-400 text-[11px] font-bold">
+                    {PRODUCT_DEFAULTS[params.productType].label} &middot; {params.openWidth} x {params.openHeight}mm
+                </span>
+            </div>
+
+            {/* 메인 영역 */}
+            <div className="flex flex-1" style={{minHeight:0}}>
+                {/* 좌측 파라미터 패널 */}
+                <div style={{width:'280px',background:'rgba(15,23,42,0.85)',borderRight:'1px solid rgba(255,255,255,0.1)',backdropFilter:'blur(12px)'}}
+                    className="p-3 overflow-y-auto custom-scrollbar flex-shrink-0">
+                    <ParamPanel params={params} onParamChange={handleParamChange} onRebuild={handleRebuild} />
+                </div>
+
+                {/* 3D 뷰포트 */}
+                <div className="flex-1 relative" style={{minWidth:0}}>
+                    <div ref={vpRef} style={{width:'100%',height:'100%'}}></div>
+                    {/* 개폐율 표시 */}
+                    <div className="absolute top-3 right-3 px-3 py-1.5 rounded-lg text-[11px] font-black"
+                        style={{background:'rgba(15,23,42,0.8)',backdropFilter:'blur(8px)',border:'1px solid rgba(255,255,255,0.1)'}}>
+                        <span className="text-slate-400">개폐율 </span>
+                        <span className="text-blue-400">{shutterPos}%</span>
+                    </div>
+                </div>
+
+                {/* 우측 정보 패널 */}
+                <InfoPanel selected={selected} params={params} />
+            </div>
+
+            {/* 하단 툴바 */}
+            <Toolbar
+                onView={handleView}
+                visibility={visibility}
+                onToggle={handleToggle}
+                shutterPos={shutterPos}
+                onShutterPos={handleShutterPos}
+                caseOpacity={caseOpacity}
+                onOpacity={handleOpacity}
+                onScreenshot={handleScreenshot}
+                onBgColor={handleBgColor}
+            />
+        </div>
+    );
+}
+
+/* ── 렌더 ── */
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(<FireShutterBimApp />);
+
+@endverbatim
+</script>
+<style>
+.custom-scrollbar::-webkit-scrollbar { width: 6px; }
+.custom-scrollbar::-webkit-scrollbar-track { background: #0f172a; }
+.custom-scrollbar::-webkit-scrollbar-thumb { background: #334155; border-radius: 10px; }
+.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #475569; }
+</style>
+@endpush
diff --git a/routes/web.php b/routes/web.php
index f9e21e30..a719adb9 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -442,6 +442,9 @@
         // 방화셔터 도면생성
         Route::get('/fire-shutter-drawing', [RdController::class, 'fireShutterDrawing'])->name('fire-shutter-drawing');
 
+        // 방화셔터 BIM 뷰어
+        Route::get('/fire-shutter-bim-viewer', [RdController::class, 'fireShutterBimViewer'])->name('fire-shutter-bim-viewer');
+
         // 클코 → 슬랙 변환기
         Route::get('/cc-to-slack', [RdController::class, 'ccToSlack'])->name('cc-to-slack');
     });