diff --git a/src/components/Roof2.jsx b/src/components/Roof2.jsx
index 0fb89925..250be865 100644
--- a/src/components/Roof2.jsx
+++ b/src/components/Roof2.jsx
@@ -239,7 +239,7 @@ export default function Roof2() {
     ]
 
     if (canvas) {
-      const polygon = new QPolygon(eightPoint4, {
+      const polygon = new QPolygon(type1A, {
         // const polygon = new QPolygon(eightPoint, {
         fill: 'transparent',
         stroke: 'black',
diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index 0e355a56..17a953e2 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -914,8 +914,8 @@ export default class QPolygon extends fabric.Group {
 
   #drawHelpLineInOctagon(chon) {
     this.drawRoofRidge()
-    this.drawHips()
-    this.connectLinePoint()
+    // this.drawHips()
+    // this.connectLinePoint()
   }
 
   /*마루 그리기
@@ -953,15 +953,16 @@ export default class QPolygon extends fabric.Group {
           nextWall = this.wall.lines[index + 1]
         }
 
-        if (this.getLineDirection(prevLine) !== this.getLineDirection(nextLine) && currentWall.length < currentLine.length) {
-          dVector = this.getDirectionForDegree(prevLine, currentLine)
+        // if (this.getLineDirection(prevLine) !== this.getLineDirection(nextLine) && currentWall.length < currentLine.length) {
+        if (this.getLineDirection(prevWall) !== this.getLineDirection(nextWall) && currentWall.length < currentLine.length) {
+          dVector = this.getDirectionForDegree(prevWall, currentWall)
           let {
             minLineLength,
             currentLineLength,
             maxLineLength,
-          } = this.getRoofBaseLine(prevLine, currentLine, nextLine, dVector)
+          } = this.getRoofBaseLine(prevWall, currentWall, nextWall, dVector)
 
-          console.log('currentLine.length : ' + currentLine.length)
+          console.log('currentLine.length : ' + currentWall.length)
           // 마루는 세개의 벽중에서 가장 길 수 없다.
           console.log('currentLineLength : ', currentLineLength, 'minLineLength : ', minLineLength, 'maxLineLength : ', maxLineLength)
           console.log('minLineLength <= currentLineLength <= maxLineLength', (minLineLength <= currentLineLength && currentLineLength <= maxLineLength))
@@ -974,26 +975,26 @@ export default class QPolygon extends fabric.Group {
             // console.log(ridgeRun)
             switch (dVector) {
               case 45:
-                startXPoint = currentLine.x1 + (currentLineLength / 2)
-                startYPoint = currentLine.y1 - (currentLineLength / 2)
+                startXPoint = currentWall.x1 + (currentLineLength / 2)
+                startYPoint = currentWall.y1 - (currentLineLength / 2)
                 endXPoint = startXPoint
                 endYPoint = startYPoint - ridgeRun
                 break
               case 135:
-                startXPoint = currentLine.x1 + (currentLineLength / 2)
-                startYPoint = currentLine.y1 + (currentLineLength / 2)
+                startXPoint = currentWall.x1 + (currentLineLength / 2)
+                startYPoint = currentWall.y1 + (currentLineLength / 2)
                 endXPoint = startXPoint + ridgeRun
                 endYPoint = startYPoint
                 break
               case 225:
-                startXPoint = currentLine.x1 - (currentLineLength / 2)
-                startYPoint = currentLine.y1 + (currentLineLength / 2)
+                startXPoint = currentWall.x1 - (currentLineLength / 2)
+                startYPoint = currentWall.y1 + (currentLineLength / 2)
                 endXPoint = startXPoint
                 endYPoint = startYPoint + ridgeRun
                 break
               case 315:
-                startXPoint = currentLine.x1 - (currentLineLength / 2)
-                startYPoint = currentLine.y1 - (currentLineLength / 2)
+                startXPoint = currentWall.x1 - (currentLineLength / 2)
+                startYPoint = currentWall.y1 - (currentLineLength / 2)
                 endXPoint = startXPoint - ridgeRun
                 endYPoint = startYPoint
                 break
@@ -1819,9 +1820,7 @@ export default class QPolygon extends fabric.Group {
     최대 생성 마루 갯수
    */
   getMaxRidge(length) {
-    let a1 = 4
-    let d = 2
-    return ((length - a1) / d) + 1
+    return ((length - 4) / 2) + 1
   }
 
   /*