diff --git a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
index 7be260bf..ea123bdf 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
@@ -1603,7 +1603,7 @@ public class EstimateService {
       // 도면 이미지 셋팅
       String baseDrawingImgName = estimateRequest.getObjectNo() + "_" + estimateRequest.getPlanNo();
 
-      // 풀사이즈 이미지 (P1, P2 시트용)
+      // 셀범위용 이미지 (기존 이미지명 유지: _1.png, _2.png)
       URL url = new URL(drawingDirPath + File.separator + baseDrawingImgName + "_1.png");
       byte[] drawingImg1 = loadDrawingImage(url);
       if (drawingImg1 != null) {
@@ -1618,22 +1618,22 @@ public class EstimateService {
       }
       log.debug("url2 ::: {}", url2);
 
-      // 셀범위용 이미지 (割付図・系統図, 架台図 시트용)
-      URL urlCell1 = new URL(drawingDirPath + File.separator + baseDrawingImgName + "_1_cell.png");
-      byte[] drawingImg1Cell = loadDrawingImage(urlCell1);
-      if (drawingImg1Cell != null) {
-        estimateResponse.setDrawingImg1Cell(drawingImg1Cell);
+      // 풀사이즈 이미지 (P1, P2 시트용: _1_full.png, _2_full.png)
+      URL urlFull1 = new URL(drawingDirPath + File.separator + baseDrawingImgName + "_1_full.png");
+      byte[] drawingImg1Full = loadDrawingImage(urlFull1);
+      if (drawingImg1Full != null) {
+        estimateResponse.setDrawingImg1Full(drawingImg1Full);
       } else {
-        // cell 이미지가 없으면 풀사이즈로 폴백
-        estimateResponse.setDrawingImg1Cell(drawingImg1);
+        // full 이미지가 없으면 기존 이미지로 폴백
+        estimateResponse.setDrawingImg1Full(drawingImg1);
       }
 
-      URL urlCell2 = new URL(drawingDirPath + File.separator + baseDrawingImgName + "_2_cell.png");
-      byte[] drawingImg2Cell = loadDrawingImage(urlCell2);
-      if (drawingImg2Cell != null) {
-        estimateResponse.setDrawingImg2Cell(drawingImg2Cell);
+      URL urlFull2 = new URL(drawingDirPath + File.separator + baseDrawingImgName + "_2_full.png");
+      byte[] drawingImg2Full = loadDrawingImage(urlFull2);
+      if (drawingImg2Full != null) {
+        estimateResponse.setDrawingImg2Full(drawingImg2Full);
       } else {
-        estimateResponse.setDrawingImg2Cell(drawingImg2);
+        estimateResponse.setDrawingImg2Full(drawingImg2);
       }
 
 
diff --git a/src/main/java/com/interplug/qcast/biz/estimate/dto/EstimateResponse.java b/src/main/java/com/interplug/qcast/biz/estimate/dto/EstimateResponse.java
index 5b79dcb8..c97b6ded 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/dto/EstimateResponse.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/dto/EstimateResponse.java
@@ -221,17 +221,17 @@ public class EstimateResponse {
   @Schema(description = "염해지역 아이템사용 여부")
   private String saltAreaFlg;
 
-  @Schema(description = "도면이미지1 (풀사이즈)")
+  @Schema(description = "도면이미지1 (셀범위용, 기존)")
   private byte[] drawingImg1;
 
-  @Schema(description = "도면이미지2 (풀사이즈)")
+  @Schema(description = "도면이미지2 (셀범위용, 기존)")
   private byte[] drawingImg2;
 
-  @Schema(description = "도면이미지1 (셀범위용)")
-  private byte[] drawingImg1Cell;
+  @Schema(description = "도면이미지1 (풀사이즈, 여백없음)")
+  private byte[] drawingImg1Full;
 
-  @Schema(description = "도면이미지2 (셀범위용)")
-  private byte[] drawingImg2Cell;
+  @Schema(description = "도면이미지2 (풀사이즈, 여백없음)")
+  private byte[] drawingImg2Full;
 
   // 판매점 정보
   @Schema(description = "고객 판매점명")
diff --git a/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx b/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx
index 641b7687..ffbad435 100644
Binary files a/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx and b/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx differ