diff --git a/resources/views/rd/fire-shutter-drawing/index.blade.php b/resources/views/rd/fire-shutter-drawing/index.blade.php
index af258380..c90f287f 100644
--- a/resources/views/rd/fire-shutter-drawing/index.blade.php
+++ b/resources/views/rd/fire-shutter-drawing/index.blade.php
@@ -140,11 +140,11 @@
                         <div class="grid grid-cols-2 gap-4">
                             <div>
                                 <label class="fs-label">레일 전체 폭 (mm)</label>
-                                <input type="number" id="grWidth" class="fs-input" value="70" step="0.1" onchange="fsRender()">
+                                <input type="number" id="grWidth" class="fs-input" value="120" step="0.1" onchange="fsRender()">
                             </div>
                             <div>
                                 <label class="fs-label">레일 깊이 (mm)</label>
-                                <input type="number" id="grDepth" class="fs-input" value="120" step="0.1" onchange="fsRender()">
+                                <input type="number" id="grDepth" class="fs-input" value="70" step="0.1" onchange="fsRender()">
                             </div>
                             <div>
                                 <label class="fs-label">강판 두께 (mm)</label>
@@ -401,7 +401,7 @@
         openHeight: 3000,
         quantity: 1,
         // Guide Rail
-        gr: { width:70, depth:120, thickness:1.55, lip:10, flange:26, sideWall:80, backWall:67, trimThick:1.2, sealThick:0.8, sealDepth:40, slatThick:0.8, anchorSpacing:500, viewMode:'cross', showDim:true, showSeal:true },
+        gr: { width:120, depth:70, thickness:1.55, lip:10, flange:26, sideWall:80, backWall:67, trimThick:1.2, sealThick:0.8, sealDepth:40, slatThick:0.8, anchorSpacing:500, viewMode:'cross', showDim:true, showSeal:true },
         // Shutter Box
         sb: { width:2280, height:380, depth:500, thickness:1.6, shaftDia:80, bracketW:10, motorSide:'right', viewMode:'front', showShaft:true, showSlatRoll:true, showMotor:true, showBrake:true, showSpring:true },
         // 3D
@@ -420,7 +420,7 @@
             sb:{height:550, depth:650, frontH:410, bottomOpen:75, shaftDia:120},
             bk:{nmH:320, nmD:320, mtH:320, mtD:530, thick:18, sprocketR:215, motorSpR:40, motorOffset:160} },
         screen: { marginW:140, marginH:350, weightFactor:2,
-            gr:{width:70, depth:120, thickness:1.55, lip:10, flange:26, sideWall:80, backWall:67, trimThick:1.2},
+            gr:{width:120, depth:70, thickness:1.55, lip:10, flange:26, sideWall:80, backWall:67, trimThick:1.2},
             slatThick:0.8,
             sb:{height:380, depth:500, frontH:240, bottomOpen:75, shaftDia:80},
             bk:{nmH:180, nmD:180, mtH:180, mtD:380, thick:18, sprocketR:70, motorSpR:30, motorOffset:0} },
@@ -1194,8 +1194,8 @@ function fs3dBuild() {
         const hw = W / 2;
 
         // 셔터박스 Z 배치 — 도면 기준
-        // 가이드레일 중심 = Z=0, 레일 너비 = gr.width (스크린:70, 철재:120)
-        const railHalf = p.gr.width / 2; // 스크린:35, 철재:60
+        // 가이드레일 중심 = Z=0, 레일 깊이(Z방향) = gr.depth (스크린:70, 철재:75)
+        const railHalf = p.gr.depth / 2; // 스크린:35, 철재:37.5
         const frontOffset = railHalf + 50; // 박스 전면판 Z (스크린:85, 철재:110)
         const boxCenterZ = frontOffset - b.depth / 2;
         // 샤프트 Z: 기본 위치에서 시작, 박스 전면판을 벗어나면 자동 보정
@@ -1245,7 +1245,7 @@ function addPlate(w, h, d, x, y, z) {
         // ── 밑면 결합체 (슬랫 통과 개구부: 레일 너비만큼만 개방) ──
         // 구조: [전면 립 50mm] → [개구부 = 레일 너비] → [후면 밑판]
         const frontLipD = 50; // 전면판 ~ 레일 전면 (50mm)
-        const openingW = p.gr.width; // 개구부 = 레일 너비 (스크린:70, 철재:120)
+        const openingW = p.gr.depth; // 개구부 = 레일 깊이(Z방향) (스크린:70, 철재:75)
         const backLipD = b.depth - frontLipD - openingW; // 레일 후면 ~ 후면판
         if (frontLipD > 0) addPlate(W1, pt, frontLipD, 0, pt / 2, b.depth / 2 - frontLipD / 2);
         if (backLipD > 0) addPlate(W1, pt, backLipD, 0, pt / 2, -b.depth / 2 + backLipD / 2);