diff --git a/src/components/Roof2.jsx b/src/components/Roof2.jsx
index d8b4c25e..e9da0e7a 100644
--- a/src/components/Roof2.jsx
+++ b/src/components/Roof2.jsx
@@ -405,6 +405,15 @@ export default function Roof2(props) {
       { x: 600, y: 100 },
     ]
 
+    const type1C = [
+      { x: 100, y: 100 },
+      { x: 850, y: 100 },
+      { x: 850, y: 800 },
+      { x: 550, y: 800 },
+      { x: 500, y: 400 },
+      { x: 100, y: 400 },
+    ]
+
     const types = [type1, type2, type3, type4, type1A, type1B, eightPoint, eightPoint2, eightPoint3, eightPoint4, twelvePoint]
     const newP = [
       { x: 450, y: 450 },
@@ -413,7 +422,7 @@ export default function Roof2(props) {
       { x: 450, y: 850 },
     ]
 
-    const polygon = new QPolygon(twelvePoint, {
+    const polygon = new QPolygon(type1C, {
       fill: 'transparent',
       stroke: 'green',
       strokeWidth: 1,
diff --git a/src/hooks/useMode.js b/src/hooks/useMode.js
index d427b548..bc650216 100644
--- a/src/hooks/useMode.js
+++ b/src/hooks/useMode.js
@@ -1263,7 +1263,8 @@ export function useMode() {
     historyPoints.current = []
 
     const wall = makePolygon(null, sort)
-    wall.set({ name: 'wall' })
+    wall.name = 'wall'
+    // wall.set({ name: 'wall' })
 
     return wall
   }
@@ -1471,7 +1472,8 @@ export function useMode() {
    *벽 지붕 외곽선 생성 polygon을 입력받아 만들기
    */
   const handleOuterlinesTest2 = (polygon, offset = 50) => {
-    const offsetPoints = offsetPolygon(polygon.points, offset)
+    drawRoofPolygon(polygon, offset)
+    /*const offsetPoints = offsetPolygon(polygon.points, offset)
 
     const roof = makePolygon(
       offsetPoints.map((point) => {
@@ -1484,287 +1486,211 @@ export function useMode() {
     setWall(polygon)
 
     roof.drawHelpLine()
-    roof.divideLine()
+    roof.divideLine()*/
   }
 
   const drawRoofPolygon = (wall, offset = 50) => {
-    console.log(wall)
-    let points = wall.points,
-      expandedPoints = []
-
-    let minX = points[0].x,
-      minY = points[0].y,
-      maxX = points[0].x,
-      maxY = points[0].y
-
-    points.forEach((point) => {
-      if (point.x < minX) minX = point.x
-      if (point.y < minY) minY = point.y
-      if (point.x > maxX) maxX = point.x
-      if (point.y > maxY) maxY = point.y
-    })
-
-    console.log(points)
-    points.forEach((point, index) => {
-      const prevIndex = index === 0 ? points.length - 1 : index - 1
-      const nextIndex = index === points.length - 1 ? 0 : index + 1
-      point.direction = getDirectionByPoint(point, points[nextIndex])
-      point.length = Math.abs(point.x - points[nextIndex].x) === 0 ? Math.abs(point.y - points[nextIndex].y) : Math.abs(point.x - points[nextIndex].x)
-      // point.degree = Math.round(getDegreeBetweenTwoLines(points[prevIndex], point, points[nextIndex]))
-    })
-    console.log('points : ', points)
-
-    points.forEach((currentWall, index) => {
-      let prevWall = points[index === 0 ? points.length - 1 : index - 1]
-      let nextWall = points[index === points.length - 1 ? 0 : index + 1]
-      let isStartPointIn = minX < currentWall.x && currentWall.x < maxX && minY < currentWall.y && currentWall.y < maxY
-      // let isEndPointIn = minX < currentWall.x2 && currentWall.x2 < maxX && minY < currentWall.y2 && currentWall.y2 < maxY
-
-      if (prevWall.direction !== nextWall.direction) {
-        if (currentWall.direction === 'top') {
-          console.log('prevWall degree : ', 45)
-          if (prevWall.direction === 'right') {
-            let addLength = getLineOffsetPoint(prevWall, currentWall, nextWall, offset)
-            expandedPoints.push({
-              x: currentWall.x + addLength,
-              y: currentWall.y + addLength,
-            })
-          }
-          if (prevWall.direction === 'left') {
-            console.log('prevWall degree : ', 225)
-            expandedPoints.push({
-              x: currentWall.x - offset,
-              y: currentWall.y + offset,
-            })
-          }
-        }
-        if (currentWall.direction === 'bottom') {
-          if (prevWall.direction === 'right') {
-            console.log('prevWall degree : ', 45)
-            let addLength = getLineOffsetPoint(prevWall, currentWall, nextWall, offset)
-            console.log(currentWall.x, '-', offset, '+', addLength)
-            console.log('addLength : ', addLength)
-            expandedPoints.push({
-              x: currentWall.x + addLength,
-              y: currentWall.y - addLength,
-            })
-          }
-          if (prevWall.direction === 'left') {
-            console.log('prevWall degree : ', 315)
-            let addLength = getLineOffsetPoint(prevWall, currentWall, nextWall, offset)
-            console.log(currentWall.x, '-', offset, '+', addLength)
-            console.log('addLength : ', addLength)
-            expandedPoints.push({
-              x: currentWall.x - offset,
-              y: currentWall.y - offset,
-            })
-          }
-        }
-        if (currentWall.direction === 'right') {
-          if (prevWall.direction === 'top') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 135)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 315)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
-          if (prevWall.direction === 'bottom') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 45)
-
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y - offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 225)
-              let addLength = getLineOffsetPoint(prevWall, currentWall, nextWall, offset)
-              console.log('addLength : ', addLength)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y + offset,
-              })
-            }
-          }
-        }
-        if (currentWall.direction === 'left') {
-          if (prevWall.direction === 'top') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 225)
-              let addLength = getLineOffsetPoint(prevWall, currentWall, nextWall, offset)
-              console.log('addLength : ', addLength)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 45)
-
-              let addLength = getLineOffsetPoint(prevWall, currentWall, nextWall, offset)
-
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
-          if (prevWall.direction === 'bottom') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 315)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y - offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 135)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y + offset,
-              })
-            }
-          }
+    let walls = wall.lines
+    walls.forEach((wall, index) => {
+      if (index === 0) {
+        wall.attributes = {
+          type: 'gable',
+          width: 30,
         }
       } else {
-        console.log('else  :::: ')
-        if (currentWall.direction === 'top') {
-          if (prevWall.direction === 'right') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 315)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y - offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 135)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y + offset,
-              })
-            }
-          }
-          if (prevWall.direction === 'left') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 45)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y - offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 225)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y + offset,
-              })
-            }
-          }
-        }
-        if (currentWall.direction === 'bottom') {
-          if (prevWall.direction === 'right') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 225)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 45)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
-        }
-        if (currentWall.direction === 'right') {
-          if (prevWall.direction === 'top') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 135)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 315)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
-          if (prevWall.direction === 'bottom') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 225)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 45)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
-        }
-        if (currentWall.direction === 'left') {
-          if (prevWall.direction === 'top') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 225)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 45)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
-          if (prevWall.direction === 'bottom') {
-            if (isStartPointIn) {
-              console.log('prevWall degree : ', 135)
-              expandedPoints.push({
-                x: currentWall.x + offset,
-                y: currentWall.y + offset,
-              })
-            } else {
-              console.log('prevWall degree : ', 315)
-              expandedPoints.push({
-                x: currentWall.x - offset,
-                y: currentWall.y - offset,
-              })
-            }
-          }
+        wall.attributes = {
+          type: 'hip',
+          width: 50,
         }
       }
     })
 
-    console.log('expandedPoints : ', expandedPoints)
+    console.log('walls', walls)
 
-    /*const roof = new fabric.Polygon(expandedPoints, {
-      fill: 'transparent',
-      stroke: 'red',
-      strokeWidth: 1,
-      selectable: true,
-      fontSize: fontSize,
-      name: 'QPolygon1',
+    walls.forEach((currentWall, index) => {
+      let prevWall, nextWall
+      if (index === 0) {
+        prevWall = walls[walls.length - 1]
+        nextWall = walls[index + 1]
+      } else if (index === walls.length - 1) {
+        prevWall = walls[index - 1]
+        nextWall = walls[0]
+      } else {
+        prevWall = walls[index - 1]
+        nextWall = walls[index + 1]
+      }
+
+      let p1 = [
+          { x: currentWall.x1, y: currentWall.y1 },
+          { x: currentWall.x2, y: currentWall.y2 },
+          { x: prevWall.x1, y: prevWall.y1 },
+          { x: prevWall.x2, y: prevWall.y2 },
+        ],
+        p2 = [
+          { x: currentWall.x1, y: currentWall.y1 },
+          { x: currentWall.x2, y: currentWall.y2 },
+          { x: nextWall.x1, y: nextWall.y1 },
+          { x: nextWall.x2, y: nextWall.y2 },
+        ]
+
+      p1 = Array.from(new Set(p1.map((point) => JSON.stringify(point)))).map((point) => JSON.parse(point))
+      p2 = Array.from(new Set(p2.map((point) => JSON.stringify(point)))).map((point) => JSON.parse(point))
+
+      let p1Lengths = []
+      p1.forEach((point1, index) => {
+        let point2
+        if (p1.length - 1 === index) {
+          point2 = p1[0]
+        } else {
+          point2 = p1[index + 1]
+        }
+        const dx = Math.abs(point2.x - point1.x)
+        const dy = Math.abs(point2.y - point1.y)
+        p1Lengths.push({
+          length: Math.round(Math.sqrt(dx ** 2 + dy ** 2)),
+          coords: [
+            { x: point1.x, y: point1.y },
+            { x: point2.x, y: point2.y },
+          ],
+        })
+      })
+
+      let p2Lengths = []
+      p2.forEach((point1, index) => {
+        let point2
+        if (p2.length - 1 === index) {
+          point2 = p2[0]
+        } else {
+          point2 = p2[index + 1]
+        }
+        const dx = Math.abs(point2.x - point1.x)
+        const dy = Math.abs(point2.y - point1.y)
+        p2Lengths.push({
+          length: Math.round(Math.sqrt(dx ** 2 + dy ** 2)),
+          coords: [
+            { x: point1.x, y: point1.y },
+            { x: point2.x, y: point2.y },
+          ],
+        })
+      })
+
+      let x1 = 0,
+        y1 = 0,
+        x2 = 0,
+        y2 = 0,
+        offsetX1 = 0,
+        offsetY1 = 0,
+        offsetX2 = 0,
+        offsetY2 = 0
+
+      let alfa = Math.round(Math.sqrt(Math.abs(currentWall.x1 - currentWall.x2) ** 2 + Math.abs(currentWall.y1 - currentWall.y2) ** 2)),
+        bravo = Math.round(Math.sqrt(Math.abs(prevWall.x1 - prevWall.x2) ** 2 + Math.abs(prevWall.y1 - prevWall.y2) ** 2)),
+        charlie = p1Lengths.filter((length) => length.length !== alfa && length.length !== bravo)[0],
+        alpha = Math.round(Math.acos((alfa ** 2 + charlie.length ** 2 - bravo ** 2) / (2 * alfa * charlie.length)) * (180 / Math.PI) * 100) / 100,
+        beta = Math.round(Math.acos((bravo ** 2 + charlie.length ** 2 - alfa ** 2) / (2 * bravo * charlie.length)) * (180 / Math.PI) * 100) / 100,
+        gamma = Math.round(Math.acos((alfa ** 2 + bravo ** 2 - charlie.length ** 2) / (2 * alfa * bravo)) * (180 / Math.PI) * 100) / 100,
+        isValley = checkValley(wall, currentWall, prevWall)
+      console.log('현재 라인 : ', alfa)
+      gamma = isValley ? Math.round(((360 - gamma) / 2) * 100) / 100 : Math.round((gamma / 2) * 100) / 100
+
+      console.log('이전 라인과의 각도', gamma)
+
+      if (currentWall.x1 === currentWall.x2) {
+        offsetY1 = currentWall.attributes.width
+        offsetX1 = prevWall.attributes.width
+        x1 = Math.min(currentWall.x1, currentWall.x2) + offsetX1
+        y1 = currentWall.y1 + offsetY1
+      } else if (currentWall.y1 === currentWall.y2) {
+        offsetX1 = currentWall.attributes.width
+        offsetY1 = prevWall.attributes.width
+        x1 = currentWall.x1 + offsetX1
+        y1 = Math.min(currentWall.y1, currentWall.y2) + offsetY1
+      } else {
+      }
+
+      bravo = Math.round(Math.sqrt(Math.abs(nextWall.x1 - nextWall.x2) ** 2 + Math.abs(nextWall.y1 - nextWall.y2) ** 2))
+      charlie = p2Lengths.filter((length) => length.length !== alfa && length.length !== bravo)[0]
+
+      // alpha = Math.round(Math.acos((alfa ** 2 + charlie ** 2 - bravo ** 2) / (2 * alfa * charlie)) * (180 / Math.PI))
+      // betta = Math.round(Math.acos((bravo ** 2 + charlie ** 2 - alfa ** 2) / (2 * bravo * charlie)) * (180 / Math.PI))
+      gamma = Math.round(Math.acos((alfa ** 2 + bravo ** 2 - charlie.length ** 2) / (2 * alfa * bravo)) * (180 / Math.PI) * 100) / 100
+      isValley = checkValley(wall, currentWall, nextWall)
+      gamma = isValley ? Math.round(((360 - gamma) / 2) * 100) / 100 : Math.round((gamma / 2) * 100) / 100
+
+      console.log('다음 라인과의 각도', gamma)
+
+      /*let offsetX = 0,
+        offsetY = 0
+      let x1 = 0,
+        y1 = 0,
+        x2 = 0,
+        y2 = 0
+      if (prevWall.direction !== nextWall.direction) {
+        if (currentWall.x1 === currentWall.x2) {
+          offsetX = prevWall.x1 < currentWall.x1 ? currentWall.attributes.width : -currentWall.attributes.width
+          x1 = currentWall.x1
+          x2 = currentWall.x2
+          y1 = Math.min(currentWall.y1, currentWall.y2) - Math.min(prevWall.attributes.width, nextWall.attributes.width)
+          y2 = Math.max(currentWall.y1, currentWall.y2) + Math.max(prevWall.attributes.width, nextWall.attributes.width)
+        } else {
+          offsetY = prevWall.y1 < currentWall.y1 ? currentWall.attributes.width : -currentWall.attributes.width
+          x1 = Math.min(currentWall.x1, currentWall.x2) - Math.min(prevWall.attributes.width, nextWall.attributes.width)
+          x2 = Math.max(currentWall.x1, currentWall.x2) + Math.max(prevWall.attributes.width, nextWall.attributes.width)
+          y1 = currentWall.y1
+          y2 = currentWall.y2
+        }
+      } else {
+      }
+
+      x1 = x1 + offsetX
+      x2 = x2 + offsetX
+      y1 = y1 + offsetY
+      y2 = y2 + offsetY
+
+      const roof = new QLine([x1, y1, x2, y2], {
+        fontSize: fontSize,
+        stroke: 'black',
+        strokeWidth: 1,
+        name: 'roofLine',
+      })
+      canvas?.add(roof)
+      canvas?.renderAll()*/
     })
+  }
 
-    roof.wall = wall
-    canvas?.add(roof)*/
+  /**
+   * 라인 사이가 지붕골 인지 확인.
+   * @param polygon
+   * @param line1
+   * @param line2
+   * @returns {boolean}
+   */
+  const checkValley = (polygon, line1, line2) => {
+    let points = [
+      { x: line1.x1, y: line1.y1 },
+      { x: line1.x2, y: line1.y2 },
+      { x: line2.x1, y: line2.y1 },
+      { x: line2.x2, y: line2.y2 },
+    ]
+    points = Array.from(new Set(points.map((point) => JSON.stringify(point)))).map((point) => JSON.parse(point))
+    const centroidX = points.reduce((acc, point) => acc + point.x, 0) / points.length
+    const centroidY = points.reduce((acc, point) => acc + point.y, 0) / points.length
 
-    // roof.drawHelpLine()
+    let isValley = true
+    const pPoints = polygon.points
+    pPoints.forEach((point, index) => {
+      if (index < pPoints.length - 1) {
+        let j = index + 1
+        let xi = pPoints[index].x + polygon.left,
+          yi = pPoints[index].y + polygon.top
+        let xj = pPoints[j].x + polygon.left,
+          yj = pPoints[j].y + polygon.top
+
+        let intersect = yi > centroidY !== yj > centroidY && centroidX < ((xj - xi) * (centroidY - yi)) / (yj - yi) + xi
+        if (intersect) isValley = !isValley
+      }
+    })
+    return isValley
   }
 
   /**