diff --git a/next.config.mjs b/next.config.mjs
index 107c5460..8cc4c040 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -1,6 +1,6 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
-  // reactStrictMode: false,
+  reactStrictMode: false,
   webpack: (config) => {
     config.externals.push({
       "utf-8-validate": "commonjs utf-8-validate",
diff --git a/src/app/error.jsx b/src/app/error.jsx
new file mode 100644
index 00000000..07d75e7e
--- /dev/null
+++ b/src/app/error.jsx
@@ -0,0 +1,15 @@
+'use client'
+
+export default function ServerError() {
+  return (
+    <section className="bg-white dark:bg-gray-900">
+      <div className="py-8 px-4 mx-auto max-w-screen-xl lg:py-16 lg:px-6">
+        <div className="mx-auto max-w-screen-sm text-center">
+          <h1 className="mb-4 text-7xl tracking-tight font-extrabold lg:text-9xl text-primary-600 dark:text-primary-500">500</h1>
+          <p className="mb-4 text-3xl tracking-tight font-bold text-gray-900 md:text-4xl dark:text-white">Internal Server Error.</p>
+          <p className="mb-4 text-lg font-light text-gray-500 dark:text-gray-400">We are already working to solve the problem. </p>
+        </div>
+      </div>
+    </section>
+  )
+}
diff --git a/src/app/not-found.jsx b/src/app/not-found.jsx
new file mode 100644
index 00000000..8127943b
--- /dev/null
+++ b/src/app/not-found.jsx
@@ -0,0 +1,25 @@
+'use client'
+
+import Link from 'next/link'
+
+export default function NotFound() {
+  return (
+    <section className="bg-white dark:bg-gray-900">
+      <div className="py-8 px-4 mx-auto max-w-screen-xl lg:py-16 lg:px-6">
+        <div className="mx-auto max-w-screen-sm text-center">
+          <h1 className="mb-4 text-7xl tracking-tight font-extrabold lg:text-9xl text-primary-600 dark:text-primary-500">404</h1>
+          <p className="mb-4 text-3xl tracking-tight font-bold text-gray-900 md:text-4xl dark:text-white">Something's missing.</p>
+          <p className="mb-4 text-lg font-light text-gray-500 dark:text-gray-400">
+            Sorry, we can't find that page. You'll find lots to explore on the home page.{' '}
+          </p>
+          <Link
+            href="/"
+            className="inline-flex text-white bg-primary-600 hover:bg-primary-800 focus:ring-4 focus:outline-none focus:ring-primary-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:focus:ring-primary-900 my-4"
+          >
+            Back to Homepage
+          </Link>
+        </div>
+      </div>
+    </section>
+  )
+}
diff --git a/src/components/Roof2.jsx b/src/components/Roof2.jsx
index fa730830..76a64e93 100644
--- a/src/components/Roof2.jsx
+++ b/src/components/Roof2.jsx
@@ -5,11 +5,11 @@ import { Button } from '@nextui-org/react'
 import QRect from '@/components/fabric/QRect'
 
 import RangeSlider from './ui/RangeSlider'
-import { useRecoilState } from 'recoil'
-import { canvasSizeState, fontSizeState, sortedPolygonArray } from '@/store/canvasAtom'
+import { useRecoilState, useRecoilValue } from 'recoil'
+import { canvasSizeState, fontSizeState, roofState, sortedPolygonArray } from '@/store/canvasAtom'
 import { QLine } from '@/components/fabric/QLine'
 import { getCanvasState, insertCanvasState } from '@/lib/canvas'
-import { calculateIntersection2 } from '@/util/canvas-util'
+import { calculateIntersection } from '@/util/canvas-util'
 import { QPolygon } from '@/components/fabric/QPolygon'
 
 export default function Roof2() {
@@ -107,28 +107,24 @@ export default function Roof2() {
     }
   }
 
-  /**
-   * canvas 사이즈 변경 함수
-   */
-  const canvasSizeMode = () => {
-    if (canvas) {
-      canvas.setWidth(horizontalSize)
-      canvas.setHeight(verticalSize)
-      canvas.renderAll()
-
-      setCanvasSize(() => ({
-        vertical: verticalSize,
-        horizontal: horizontalSize,
-      }))
-    }
-  }
+  useEffect(() => {
+    setCanvasSize({ ...canvasSize, vertical: verticalSize, horizontal: horizontalSize })
+  }, [verticalSize, horizontalSize])
 
   /**
    * 값 변경시
    */
+  // useEffect(() => {
+  //   canvasSizeMode()
+  // }, [verticalSize, horizontalSize])
   useEffect(() => {
-    canvasSizeMode()
-  }, [verticalSize, horizontalSize])
+    const { vertical, horizontal } = canvasSize
+    if (vertical !== verticalSize || horizontal !== horizontalSize) {
+      canvas.setWidth(horizontalSize)
+      canvas.setHeight(verticalSize)
+      canvas.renderAll()
+    }
+  }, [canvasSize, canvas])
 
   const makeQPolygon = () => {
     const type1 = [
@@ -207,14 +203,14 @@ export default function Roof2() {
     ]
 
     const eightPoint3 = [
-      { x: 200, y: 200 },
-      { x: 200, y: 1000 },
-      { x: 1000, y: 1000 },
-      { x: 1000, y: 800 },
-      { x: 600, y: 800 },
-      { x: 600, y: 350 },
-      { x: 1000, y: 350 },
-      { x: 1000, y: 200 },
+      { x: 190, y: 147 },
+      { x: 190, y: 747 },
+      { x: 490, y: 747 },
+      { x: 490, y: 497 },
+      { x: 640, y: 497 },
+      { x: 640, y: 747 },
+      { x: 1090, y: 747 },
+      { x: 1090, y: 147 },
     ]
 
     const eightPoint4 = [
@@ -270,25 +266,39 @@ export default function Roof2() {
       { x: 300, y: 100 },
     ]
 
-    if (canvas) {
-      const polygon = new QPolygon(diagonalType, {
-        // const polygon = new QPolygon(eightPoint, {
-        fill: 'transparent',
-        stroke: 'green',
-        strokeWidth: 1,
-        selectable: true,
-        fontSize: fontSize,
-        name: 'QPolygon1',
-      })
+    const twelvePoint = [
+      { x: 195, y: 166 },
+      { x: 195, y: 466 },
+      { x: 395, y: 466 },
+      { x: 395, y: 766 },
+      { x: 545, y: 766 },
+      { x: 545, y: 466 },
+      { x: 695, y: 466 },
+      { x: 695, y: 666 },
+      { x: 845, y: 666 },
+      { x: 845, y: 466 },
+      { x: 995, y: 466 },
+      { x: 995, y: 166 },
+    ]
+
+    const types = [type1, type2, type3, type4, type1A, type1B, eightPoint, eightPoint2, eightPoint3, eightPoint4, twelvePoint]
+
+    const polygon = new QPolygon(type1B, {
+      fill: 'transparent',
+      stroke: 'black',
+      strokeWidth: 1,
+      selectable: true,
+      fontSize: fontSize,
+      name: 'QPolygon1',
+    })
 
       canvas?.add(polygon)
       drawRoofPolygon(polygon)
 
       // handleOuterlinesTest2(polygon)
 
-      // const lines = togglePolygonLine(polygon)
-      // togglePolygonLine(lines[0])
-    }
+    // const lines = togglePolygonLine(polygon)
+    // togglePolygonLine(lines[0])
   }
 
   const rotateShape = () => {
@@ -321,7 +331,7 @@ export default function Roof2() {
       canvas?.add(line)
       canvas?.add(line2)
 
-      const interSectionPoint = calculateIntersection2(line, line2)
+      const interSectionPoint = calculateIntersection(line, line2)
 
       if (interSectionPoint) {
         const circle = new fabric.Circle({
@@ -429,8 +439,12 @@ export default function Roof2() {
             <Button className="m-1 p-2" color={`${mode === Mode.TEMPLATE ? 'primary' : 'default'}`} onClick={() => drawRoofPatterns(2)}>
               지붕패턴2
             </Button>
-            <Button className="m-1 p-2" color={`${mode === Mode.TEMPLATE ? 'primary' : 'default'}`} onClick={() => changeMode(canvas, Mode.MODULE)}>
-              모듈
+            <Button
+              className="m-1 p-2"
+              color={`${mode === Mode.TEMPLATE ? 'primary' : 'default'}`}
+              onClick={() => changeMode(canvas, Mode.ROOT_TRESTLE)}
+            >
+              지붕가대생성
             </Button>
             <Button className="m-1 p-2" color={`${mode === Mode.TEXTBOX ? 'primary' : 'default'}`} onClick={() => changeMode(canvas, Mode.TEXTBOX)}>
               텍스트박스 모드
diff --git a/src/components/fabric/QLine2.js b/src/components/fabric/QLine2.js
deleted file mode 100644
index d75cff2c..00000000
--- a/src/components/fabric/QLine2.js
+++ /dev/null
@@ -1,184 +0,0 @@
-/**
- * 문제 없는경우 제거
- */
-import { fabric } from 'fabric'
-import { getDirection, getDirectionByPoint } from '@/util/canvas-util'
-
-export class QLine2 extends fabric.Group {
-  line
-  text
-  fontSize
-  length = 0
-  x1
-  y1
-  x2
-  y2
-  direction
-  idx
-  type = 'QLine2'
-  parent
-  isAlreadyInterSection = false
-
-  interSectionPoints = []
-  lengthTxt = 0
-
-  initPoints
-  initOption
-  initLengthTxt
-
-  constructor(points, option = { isActiveLengthText: true }, lengthTxt) {
-    // 소수점 전부 제거
-    points.forEach((point) => {
-      point = Math.round(point)
-    })
-
-    const [x1, y1, x2, y2] = points
-
-    if (!option.fontSize) {
-      throw new Error('Font size is required.')
-    }
-
-    const line = new fabric.Line(points, { ...option, strokeWidth: 1 })
-
-    // 길이가 1이하인 선은 생성하지 않음
-    if (Math.abs(x1 - x2) <= 1 && Math.abs(y1 - y2) <= 1) {
-      super([], {})
-      this.initPoints = points
-      this.initOption = option
-      this.initLengthTxt = lengthTxt
-    } else {
-      super([line], {})
-      this.initPoints = points
-      this.initOption = option
-      this.initLengthTxt = lengthTxt
-
-      this.x1 = x1
-      this.y1 = y1
-      this.x2 = x2
-      this.y2 = y2
-      this.line = line
-      this.fontSize = option.fontSize
-      this.direction = option.direction ?? getDirectionByPoint({ x: x1, y: y1 }, { x: x2, y: y2 })
-      this.parent = option.parent
-      this.idx = option.idx
-
-      if (lengthTxt > 0) {
-        this.lengthTxt = Number(lengthTxt)
-      }
-
-      option.isActiveLengthText ?? this.init()
-      this.addControl()
-    }
-  }
-
-  init() {
-    this.addLengthText(true)
-  }
-
-  addControl() {
-    this.on('moving', () => {
-      this.addLengthText(false)
-    })
-
-    this.on('modified', (e) => {
-      this.addLengthText(false)
-    })
-
-    this.on('selected', () => {
-      console.log(this)
-      Object.keys(this.controls).forEach((controlKey) => {
-        if (controlKey !== 'ml' && controlKey !== 'mr') {
-          this.setControlVisible(controlKey, false)
-        }
-      })
-    })
-  }
-
-  static fromObject(object, callback) {
-    const { points, initOption, initLengthTxt } = object
-    const instance = new QLine(points, initOption, initLengthTxt)
-    callback && callback(instance)
-    return instance
-  }
-
-  addLengthText(isFirst) {
-    if (this.text) {
-      this.removeWithUpdate(this.text)
-      this.text = null
-    }
-
-    if (isFirst && this.lengthTxt > 0) {
-      const text = new fabric.Textbox(this.lengthTxt.toFixed(0).toString(), {
-        left: (this.x1 + this.x2) / 2,
-        top: (this.y1 + this.y2) / 2,
-        fontSize: this.fontSize,
-      })
-      this.length = this.lengthTxt
-      this.text = text
-      this.addWithUpdate(text)
-      return
-    }
-
-    const scaleX = this.scaleX
-    const scaleY = this.scaleY
-    const x1 = this.left
-    const y1 = this.top
-    const x2 = this.left + this.width * scaleX
-    const y2 = this.top + this.height * scaleY
-    const dx = x2 - x1
-    const dy = y2 - y1
-    this.length = Number(Math.sqrt(dx * dx + dy * dy).toFixed(0))
-
-    const text = new fabric.Textbox(this.length.toFixed(0).toString(), {
-      left: (x1 + x2) / 2,
-      top: (y1 + y2) / 2,
-      fontSize: this.fontSize,
-    })
-    this.text = text
-    this.addWithUpdate(text)
-  }
-
-  setFontSize(fontSize) {
-    this.fontSize = fontSize
-    this.text.set({ fontSize })
-    this.addWithUpdate()
-  }
-
-  fromObject(object, callback) {
-    console.log('fromObject', object, callback)
-  }
-
-  async = true
-
-  toObject(propertiesToInclude) {
-    return fabric.util.object.extend(this.callSuper('toObject'), {
-      length: this.length,
-      line: this.line,
-      text: this.text,
-      fontSize: this.fontSize,
-      x1: this.x1,
-      y1: this.y1,
-      x2: this.x2,
-      y2: this.y2,
-      direction: this.direction,
-      idx: this.idx,
-      type: this.type,
-      parent: this.parent,
-      isAlreadyInterSection: this.isAlreadyInterSection,
-      interSectionPoints: this.interSectionPoints,
-      lengthTxt: this.lengthTxt,
-      setFontSize: this.setFontSize,
-      addLengthText: this.addLengthText,
-      init: this.init,
-      addControl: this.addControl,
-      initPoints: this.initPoints,
-      initOption: this.initOption,
-      initLengthTxt: this.initLengthTxt,
-      points: this.points,
-    })
-  }
-
-  _set(key, value) {
-    this.callSuper('_set', key, value)
-  }
-}
diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index d4327a94..a9c7e751 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -1,12 +1,8 @@
 import { fabric } from 'fabric'
 import { v4 as uuidv4 } from 'uuid'
 import { QLine } from '@/components/fabric/QLine'
-import {
-  distanceBetweenPoints,
-  findTopTwoIndexesByDistance,
-  getDirectionByPoint,
-  sortedPoints,
-} from '@/util/canvas-util'
+import { distanceBetweenPoints, findTopTwoIndexesByDistance, getDirectionByPoint, sortedPointLessEightPoint, sortedPoints } from '@/util/canvas-util'
+import { drawHelpLineInHexagon } from '@/util/qpolygon-utils'
 import { drawHippedRoof } from '@/util/qpolygon-utils'
 
 export const QPolygon = fabric.util.createClass(fabric.Polygon, {
@@ -15,19 +11,22 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
   texts: [],
   id: null,
   length: 0,
-  ridges: [],
   hips: [],
+  ridges: [],
+  connectRidges: [],
   innerLines: [],
-  initialize: function(points, options, canvas) {
-    console.log('sorted 전 points : ', points)
+  initialize: function (points, options, canvas) {
     // 소수점 전부 제거
     points.forEach((point) => {
       point.x = Math.round(point.x)
       point.y = Math.round(point.y)
     })
-    points = sortedPoints(points)
+    if (points.length <= 8) {
+      points = sortedPointLessEightPoint(points)
+    } else {
+      points = sortedPoints(points)
+    }
 
-    console.log('sorted 후 points : ', points)
     this.callSuper('initialize', points, options)
     if (options.id) {
       this.id = options.id
@@ -133,7 +132,7 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
   },
 
   addLengthText() {
-    const points = this.getCurrentPoints()
+    let points = this.points
 
     points.forEach((start, i) => {
       const thisText = this.canvas.getObjects().find((obj) => obj.name === 'lengthText' && obj.parentId === this.id && obj.idx === i)
@@ -219,9 +218,9 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
             top: rectTop,
             width: rectWidth,
             height: rectHeight,
-            stroke: 'black', // or any other color
-            fill: 'transparent',
+            fill: '#BFFD9F',
             selectable: false,
+            opacity: 0.6,
           })
 
           this.canvas.add(rect)
@@ -320,4 +319,5 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
       text.set({ visible: isView })
     })
   },
+  divideLine() {},
 })
diff --git a/src/components/fabric/QPolygon3.js b/src/components/fabric/QPolygon3.js
deleted file mode 100644
index b3770831..00000000
--- a/src/components/fabric/QPolygon3.js
+++ /dev/null
@@ -1,941 +0,0 @@
-/**
- * 문제 없는경우 제거
- */
-
-import { fabric } from 'fabric'
-import {
-  calculateIntersection,
-  calculateIntersection2,
-  distanceBetweenPoints,
-  findClosestLineToPoint,
-  findTopTwoIndexesByDistance,
-  getDegreeByChon,
-  getDirectionByPoint,
-  getRoofHeight,
-  getRoofHypotenuse,
-  sortedPoints,
-} from '@/util/canvas-util'
-import { QLine } from '@/components/fabric/QLine'
-import { drawHelpLineInHexagon } from '@/util/qpolygon-utils'
-
-export default class QPolygon3 extends fabric.Group {
-  type = 'QPolygon3'
-  polygon
-  points
-  texts = []
-  lines = []
-  canvas
-  fontSize
-  qCells = []
-  name
-  shape = 0 // 점 6개일때의 shape 모양
-  helpPoints = []
-  helpLines = []
-
-  wall
-
-  initPoints
-  initOption
-
-  constructor(points, options, canvas) {
-    /*if (points.length !== 4 && points.length !== 6) {
-      throw new Error('Points must be 4 or 6.')
-    }*/
-    if (!options.fontSize) {
-      throw new Error('Font size is required.')
-    }
-
-    // 소수점 전부 제거
-    points.forEach((point) => {
-      point.x = Math.round(point.x)
-      point.y = Math.round(point.y)
-    })
-
-    const sortPoints = sortedPoints(points)
-    const polygon = new fabric.Polygon(sortPoints, options)
-
-    super([polygon], {})
-
-    this.fontSize = options.fontSize
-    this.points = sortPoints
-    this.polygon = polygon
-    this.name = options.name
-
-    this.initPoints = points
-    this.initOption = options
-
-    this.init()
-    this.addEvent()
-    this.initLines()
-    this.setShape()
-  }
-
-  initLines() {
-    this.points.forEach((point, i) => {
-      const nextPoint = this.points[(i + 1) % this.points.length]
-      const line = new QLine([point.x, point.y, nextPoint.x, nextPoint.y], {
-        stroke: this.stroke,
-        strokeWidth: this.strokeWidth,
-        fontSize: this.fontSize,
-        idx: i,
-        direction: getDirectionByPoint(point, nextPoint),
-      })
-
-      this.lines.push(line)
-    })
-  }
-
-  init() {
-    this.addLengthText()
-  }
-
-  addEvent() {
-    this.on('scaling', (e) => {
-      this.updateLengthText()
-    })
-
-    this.on('selected', function () {
-      // 모든 컨트롤 떼기
-
-      Object.keys(this.controls).forEach((controlKey) => {
-        if (controlKey !== 'mtr') {
-          this.setControlVisible(controlKey, false)
-        }
-      })
-    })
-  }
-
-  setWall(wall) {
-    this.wall = wall
-  }
-
-  setFontSize(fontSize) {
-    this.fontSize = fontSize
-    this.texts.forEach((text) => {
-      text.set({ fontSize })
-    })
-
-    this.getObjects().forEach((obj) => {
-      if (obj.type[0] === 'Q') {
-        obj.setFontSize(fontSize)
-      }
-    })
-
-    this.canvas.add()
-  }
-
-  addLengthText() {
-    if (this.texts.length > 0) {
-      this.texts.forEach((text) => {
-        this.canvas.remove(text)
-      })
-      this.texts = []
-    }
-    const points = this.points
-
-    points.forEach((start, i) => {
-      const end = points[(i + 1) % points.length]
-      const dx = end.x - start.x
-      const dy = end.y - start.y
-      const length = Math.sqrt(dx * dx + dy * dy)
-
-      const midPoint = new fabric.Point((start.x + end.x) / 2, (start.y + end.y) / 2)
-
-      // Create new text object if it doesn't exist
-      const text = new fabric.Text(length.toFixed(0), {
-        left: midPoint.x,
-        top: midPoint.y,
-        fontSize: this.fontSize,
-        selectable: false,
-      })
-
-      this.texts.push(text)
-      this.canvas.add(text)
-    })
-
-    this.canvas.renderAll()
-  }
-
-  updateLengthText() {
-    const points = this.getCurrentPoints()
-
-    points.forEach((start, i) => {
-      const end = points[(i + 1) % points.length]
-      const dx = end.x - start.x
-      const dy = end.y - start.y
-      const length = Math.sqrt(dx * dx + dy * dy)
-
-      // Update the text object with the new length
-      this.texts[i].set({ text: length.toFixed(0) })
-    })
-
-    this.canvas.renderAll()
-  }
-
-  fillCell(cell = { width: 50, height: 100, padding: 10 }) {
-    const points = this.getCurrentPoints()
-    let bounds
-
-    try {
-      bounds = fabric.util.makeBoundingBoxFromPoints(points)
-    } catch (error) {
-      alert('다각형의 꼭지점이 4개 이상이어야 합니다.')
-      return
-    }
-
-    for (let x = bounds.left; x < bounds.left + bounds.width; x += cell.width + cell.padding) {
-      for (let y = bounds.top; y < bounds.top + bounds.height; y += cell.height + cell.padding) {
-        const rect = new fabric.Rect({
-          left: x,
-          top: y,
-          width: cell.width,
-          height: cell.height,
-          fill: 'transparent',
-          stroke: 'black',
-          selectable: false,
-        })
-
-        const rectPoints = [
-          new fabric.Point(rect.left, rect.top),
-          new fabric.Point(rect.left + rect.width, rect.top),
-          new fabric.Point(rect.left, rect.top + rect.height),
-          new fabric.Point(rect.left + rect.width, rect.top + rect.height),
-        ]
-
-        const isInside = rectPoints.every((rectPoint) => this.inPolygon(rectPoint) && this.distanceFromEdge(rectPoint) >= cell.padding)
-
-        if (isInside) {
-          this.canvas.add(rect)
-        }
-      }
-    }
-
-    this.canvas.renderAll()
-  }
-
-  /**
-   * this.lines의 direction이 top 인 line의 모든 합이 bottom 인 line의 모든 합과 같은지 확인
-   * this.lines의 direction이 left 인 line의 모든 합이 right 인 line의 모든 합과 같은지 확인
-   * return {boolean}
-   */
-  isValid() {
-    const leftLinesLengthSum = this.lines.filter((line) => line.direction === 'left').reduce((sum, line) => sum + line.length, 0)
-    const rightLinesLengthSum = this.lines.filter((line) => line.direction === 'right').reduce((sum, line) => sum + line.length, 0)
-
-    const topLinesLengthSum = this.lines.filter((line) => line.direction === 'top').reduce((sum, line) => sum + line.length, 0)
-    const bottomLinesLengthSum = this.lines.filter((line) => line.direction === 'bottom').reduce((sum, line) => sum + line.length, 0)
-
-    return leftLinesLengthSum === rightLinesLengthSum && topLinesLengthSum === bottomLinesLengthSum
-  }
-
-  inPolygon(point) {
-    const vertices = this.getCurrentPoints()
-    let intersects = 0
-
-    for (let i = 0; i < vertices.length; i++) {
-      let vertex1 = vertices[i]
-      let vertex2 = vertices[(i + 1) % vertices.length]
-
-      if (vertex1.y > vertex2.y) {
-        let tmp = vertex1
-        vertex1 = vertex2
-        vertex2 = tmp
-      }
-
-      if (point.y === vertex1.y || point.y === vertex2.y) {
-        point.y += 0.01
-      }
-
-      if (point.y <= vertex1.y || point.y > vertex2.y) {
-        continue
-      }
-
-      let xInt = ((point.y - vertex1.y) * (vertex2.x - vertex1.x)) / (vertex2.y - vertex1.y) + vertex1.x
-      if (xInt < point.x) {
-        intersects++
-      }
-    }
-
-    return intersects % 2 === 1
-  }
-
-  distanceFromEdge(point) {
-    const vertices = this.getCurrentPoints()
-    let minDistance = Infinity
-
-    for (let i = 0; i < vertices.length; i++) {
-      let vertex1 = vertices[i]
-      let vertex2 = vertices[(i + 1) % vertices.length]
-
-      const dx = vertex2.x - vertex1.x
-      const dy = vertex2.y - vertex1.y
-
-      const t = ((point.x - vertex1.x) * dx + (point.y - vertex1.y) * dy) / (dx * dx + dy * dy)
-
-      let closestPoint
-      if (t < 0) {
-        closestPoint = vertex1
-      } else if (t > 1) {
-        closestPoint = vertex2
-      } else {
-        closestPoint = new fabric.Point(vertex1.x + t * dx, vertex1.y + t * dy)
-      }
-
-      const distance = distanceBetweenPoints(point, closestPoint)
-      if (distance < minDistance) {
-        minDistance = distance
-      }
-    }
-
-    return minDistance
-  }
-
-  setViewLengthText(boolean) {
-    this.texts.forEach((text) => {
-      text.visible = boolean
-    })
-
-    this.canvas.renderAll()
-  }
-
-  getCurrentPoints() {
-    const scaleX = this.scaleX
-    const scaleY = this.scaleY
-
-    const left = this.left
-    const top = this.top
-
-    // 시작점
-    const point = this.points[0]
-
-    const movingX = left - point.x * scaleX
-    const movingY = top - point.y * scaleY
-
-    return this.points.map((point) => {
-      return {
-        x: point.x * scaleX + movingX,
-        y: point.y * scaleY + movingY,
-      }
-    })
-  }
-
-  fillBackground(pattern) {
-    this.polygon.set({ fill: pattern })
-    this.canvas.requestRenderAll()
-  }
-
-  // 보조선 그리기
-  drawHelpLine(chon = 4) {
-    drawHelpLineInHexagon(this, chon)
-    /*if (!this.isValid()) {
-      return
-    }*/
-
-    /*if (this.lines.length === 4) {
-      this.drawHelpLineInRect(chon)
-    } else if (this.lines.length === 6 || this.lines.length === 8) {
-      // TODO : 6각형
-      drawHelpLineInHexagon2(this, chon)
-    } /!* else if (this.lines.length === 8) {
-      // TODO : 8각형
-      this.drawHelpLineInOctagon(chon)
-    }*!/*/
-  }
-
-  /**
-   * 현재 점 6개만 가능
-   */
-  setShape() {
-    let shape = 0
-    if (this.lines.length !== 6) {
-      return
-    }
-    //외각선 기준
-    const topIndex = findTopTwoIndexesByDistance(this.lines).sort((a, b) => a - b) //배열중에 큰 2값을 가져옴 TODO: 나중에는 인자로 받아서 다각으로 수정 해야됨
-
-    //일단 배열 6개 짜리 기준의 선 번호
-    if (topIndex[0] === 4) {
-      if (topIndex[1] === 5) {
-        //1번
-        shape = 1
-      }
-    } else if (topIndex[0] === 1) {
-      //4번
-      if (topIndex[1] === 2) {
-        shape = 4
-      }
-    } else if (topIndex[0] === 0) {
-      if (topIndex[1] === 1) {
-        //2번
-        shape = 2
-      } else if (topIndex[1] === 5) {
-        //3번
-        shape = 3
-      }
-    }
-
-    this.shape = shape
-  }
-
-  /**
-   * 현재 점 6개만 가능
-   * @returns {number}
-   */
-  getShape() {
-    return this.shape
-  }
-
-  drawHelpLineInRect(chon) {
-    let type = 1
-    let smallestLength = Infinity
-    let maxLength = 0
-
-    this.lines.forEach((line) => {
-      if (line.length < smallestLength) {
-        smallestLength = line.length
-      }
-      if (line.length > maxLength) {
-        maxLength = line.length
-      }
-    })
-
-    // QPolygon 객체의 모든 선들을 가져옵니다.
-    const lines = [...this.lines]
-
-    // 이 선들을 길이에 따라 정렬합니다.
-    lines.sort((a, b) => a.length - b.length)
-
-    // 정렬된 배열에서 가장 작은 두 선을 선택합니다.
-    let smallestLines
-
-    if (smallestLength === maxLength) {
-      // 정사각형인 경우 0, 2번째 라인이 가장 짧은 라인
-
-      smallestLines = [lines[0], lines[2]]
-    } else {
-      smallestLines = lines.slice(0, 2)
-    }
-
-    let needPlusLine
-    let needMinusLine
-
-    const direction = smallestLines[0].direction
-
-    if (direction === 'top' || direction === 'bottom') {
-      needPlusLine = smallestLines[0].x1 < smallestLines[1].x1 ? smallestLines[0] : smallestLines[1]
-      needMinusLine = needPlusLine === smallestLines[0] ? smallestLines[1] : smallestLines[0]
-
-      type = 1 // 가로가 긴 사각형
-    }
-
-    if (direction === 'left' || direction === 'right') {
-      needPlusLine = smallestLines[0].y1 < smallestLines[1].y1 ? smallestLines[0] : smallestLines[1]
-      needMinusLine = needPlusLine === smallestLines[0] ? smallestLines[1] : smallestLines[0]
-
-      type = 2 // 세로가 긴 사각형
-    }
-
-    let point1
-    let point2
-
-    if (type === 1) {
-      point1 = {
-        x: needPlusLine.x1 + smallestLength / 2,
-        y: needPlusLine.y1 > needPlusLine.y2 ? needPlusLine.y1 - smallestLength / 2 : needPlusLine.y2 - smallestLength / 2,
-      }
-
-      point2 = {
-        x: needMinusLine.x1 - smallestLength / 2,
-        y: needMinusLine.y1 > needMinusLine.y2 ? needMinusLine.y1 - smallestLength / 2 : needMinusLine.y2 - smallestLength / 2,
-      }
-    } else if (type === 2) {
-      point1 = {
-        x: needPlusLine.x1 > needPlusLine.x2 ? needPlusLine.x1 - smallestLength / 2 : needPlusLine.x2 - smallestLength / 2,
-        y: needPlusLine.y1 + smallestLength / 2,
-      }
-
-      point2 = {
-        x: needMinusLine.x1 > needMinusLine.x2 ? needMinusLine.x1 - smallestLength / 2 : needMinusLine.x2 - smallestLength / 2,
-        y: needMinusLine.y1 - smallestLength / 2,
-      }
-    }
-
-    // 빗변1
-    const realLine1 = new QLine(
-      [needPlusLine.x1, needPlusLine.y1, point1.x, point1.y],
-      { fontSize: this.fontSize, stroke: 'black', strokeWidth: 1 },
-      getRoofHypotenuse(smallestLength / 2),
-    )
-
-    // 빗변2
-    const realLine2 = new QLine(
-      [needPlusLine.x2, needPlusLine.y2, point1.x, point1.y],
-      { fontSize: this.fontSize, stroke: 'black', strokeWidth: 1 },
-      getRoofHypotenuse(smallestLength / 2),
-    )
-
-    // 빗변3
-    const realLine3 = new QLine(
-      [needMinusLine.x1, needMinusLine.y1, point2.x, point2.y],
-      { fontSize: this.fontSize, stroke: 'black', strokeWidth: 1 },
-      getRoofHypotenuse(smallestLength / 2),
-    )
-
-    // 빗변4
-    const realLine4 = new QLine(
-      [needMinusLine.x2, needMinusLine.y2, point2.x, point2.y],
-      { fontSize: this.fontSize, stroke: 'black', strokeWidth: 1 },
-      getRoofHypotenuse(smallestLength / 2),
-    )
-
-    let centerPoint1
-    let centerPoint2
-
-    if (type === 1) {
-      centerPoint1 = { x: point1.x - smallestLength / 2, y: point1.y }
-      centerPoint2 = { x: point2.x + smallestLength / 2, y: point2.y }
-    } else if (type === 2) {
-      centerPoint1 = { x: point1.x, y: point1.y - smallestLength / 2 }
-      centerPoint2 = { x: point2.x, y: point2.y + smallestLength / 2 }
-    }
-
-    // 옆으로 누워있는 지붕의 높이
-    const realLine5 = new QLine(
-      [point1.x, point1.y, centerPoint1.x, centerPoint1.y],
-      {
-        fontSize: this.fontSize,
-        stroke: 'black',
-        strokeWidth: 1,
-        strokeDashArray: [5, 5],
-      },
-      getRoofHeight(smallestLength / 2, getDegreeByChon(chon)),
-    )
-
-    // 옆으로 누워있는 지붕의 높이
-    const realLine6 = new QLine(
-      [point2.x, point2.y, centerPoint2.x, centerPoint2.y],
-      {
-        fontSize: this.fontSize,
-        stroke: 'black',
-        strokeWidth: 1,
-        strokeDashArray: [5, 5],
-      },
-      getRoofHeight(smallestLength / 2, getDegreeByChon(chon)),
-    )
-
-    // 용마루
-    const ridge = new QLine([point1.x, point1.y, point2.x, point2.y], {
-      fontSize: this.fontSize,
-      stroke: 'black',
-      strokeWidth: 1,
-    })
-
-    this.canvas.add(realLine1)
-    this.canvas.add(realLine2)
-    this.canvas.add(realLine3)
-    this.canvas.add(realLine4)
-    this.canvas.add(realLine5)
-    this.canvas.add(realLine6)
-    if (smallestLength !== maxLength) {
-      // 정사각형이 아닌경우에만 용마루를 추가한다.
-      this.canvas.add(ridge)
-    }
-  }
-  drawHelpLineInHexagon2(chon) {
-    const oneSideLines = [...this.lines].map((line) => {
-      let newX1, newY1, newX2, newY2
-      if (line.direction === 'top') {
-        newX1 = line.x2
-        newY1 = line.y2
-        newX2 = line.x1
-        newY2 = line.y1
-
-        line.x1 = newX1
-        line.y1 = newY1
-        line.x2 = newX2
-        line.y2 = newY2
-        line.direction = 'bottom'
-      } else if (line.direction === 'left') {
-        newX1 = line.x2
-        newY1 = line.y2
-        newX2 = line.x1
-        newY2 = line.y1
-
-        line.x1 = newX1
-        line.y1 = newY1
-        line.x2 = newX2
-        line.y2 = newY2
-        line.direction = 'right'
-      }
-      return line
-    })
-
-    const centerLines = []
-    const helpLines = []
-    const ridgeStartPoints = []
-
-    const horizontalLines = oneSideLines.filter((line) => line.direction === 'right')
-    const verticalLines = oneSideLines.filter((line) => line.direction === 'bottom')
-
-    const horizontalMaxLength = horizontalLines.reduce((max, obj) => Math.max(max, obj.length), 0)
-    const verticalMaxLength = verticalLines.reduce((max, obj) => Math.max(max, obj.length), 0)
-    // 모든 가로선의 중심선을 긋는다.
-    horizontalLines.forEach((line, index) => {
-      const nextLine = horizontalLines[(index + 1) % horizontalLines.length]
-
-      const startCenterX = Math.max(line.x1, nextLine.x1)
-      const startCenterY = (line.y1 + nextLine.y1) / 2
-
-      let endCenterX = line.length >= nextLine.length ? startCenterX + line.length : startCenterX + nextLine.length
-      const endCenterY = startCenterY
-
-      if (endCenterX > Math.max(line.x2, nextLine.x2)) {
-        endCenterX = Math.max(line.x2, nextLine.x2)
-      }
-
-      const centerLine = new QLine([startCenterX, startCenterY, endCenterX, endCenterY], {
-        fontSize: this.fontSize,
-        stroke: 'red',
-        strokeWidth: 1,
-        direction: 'horizontal',
-      })
-
-      // this.addWithUpdate(centerLine)
-
-      centerLines.push(centerLine)
-    })
-
-    // 모든 세로선의 중심선을 긋는다.
-    verticalLines.forEach((line, index) => {
-      const nextLine = verticalLines[(index + 1) % verticalLines.length]
-
-      const startCenterX = (line.x1 + nextLine.x1) / 2
-      const startCenterY = Math.min(line.y1, nextLine.y1)
-
-      const endCenterX = startCenterX
-      let endCenterY = line.length >= nextLine.length ? startCenterY + line.length : startCenterY + nextLine.length
-
-      if (endCenterY > Math.max(line.y2, nextLine.y2)) {
-        endCenterY = Math.max(line.y2, nextLine.y2)
-      }
-
-      const centerLine = new QLine([startCenterX, startCenterY, endCenterX, endCenterY], {
-        fontSize: this.fontSize,
-        stroke: 'blue',
-        strokeWidth: 1,
-        direction: 'vertical',
-      })
-      // this.addWithUpdate(centerLine)
-
-      centerLines.push(centerLine)
-    })
-
-    const maxLength = horizontalMaxLength < verticalMaxLength ? horizontalMaxLength : verticalMaxLength
-
-    this.points.forEach((point, index) => {
-      const wallPoint = this.wall.points[index]
-      // 두 점의 좌표
-      const x1 = point.x
-      const y1 = point.y
-      const x2 = wallPoint.x
-      const y2 = wallPoint.y
-
-      let newX2, newY2
-
-      // x1, y1을 기준으로 x2, y2와의 거리를 유지한 새로운 직선 생성
-      const angle = Math.atan2(y2 - y1, x2 - x1)
-
-      newX2 = Math.floor(x1 + (maxLength / 2 + 50) * Math.cos(angle))
-      newY2 = Math.floor(y1 + (maxLength / 2 + 50) * Math.sin(angle))
-
-      const line = new QLine([x1, y1, newX2, newY2], {
-        fontSize: this.fontSize,
-        stroke: 'green',
-        idx: index,
-      })
-      this.addWithUpdate(line)
-      helpLines.push(line)
-      this.canvas.renderAll()
-    })
-
-    helpLines.forEach((line, index) => {
-      if (line.isAlreadyInterSection) {
-        return
-      }
-      const nextLine = helpLines[(index + 1 + helpLines.length) % helpLines.length]
-      this.canvas.renderAll()
-
-      let intersectionPoint = calculateIntersection(line, nextLine)
-      if (!intersectionPoint) {
-        return
-      }
-
-      line.set({ isAlreadyInterSection: true })
-      nextLine.set({ isAlreadyInterSection: true })
-
-      const helpLine1 = new QLine([nextLine.x1, nextLine.y1, intersectionPoint.x, intersectionPoint.y], {
-        fontSize: this.fontSize,
-        stroke: 'skyblue',
-      })
-
-      const helpLine2 = new QLine([line.x1, line.y1, intersectionPoint.x, intersectionPoint.y], {
-        fontSize: this.fontSize,
-        stroke: 'skyblue',
-      })
-
-      ridgeStartPoints.push(intersectionPoint)
-      this.addWithUpdate(helpLine1)
-      this.addWithUpdate(helpLine2)
-      this.removeWithUpdate(nextLine)
-      this.removeWithUpdate(line)
-      this.canvas.renderAll()
-    })
-
-    // 안만나는 선들
-    const notInterSectionLines = helpLines.filter((line) => !line.isAlreadyInterSection)
-    const ridgeEndPoints = []
-    const interSectionPoints = []
-
-    notInterSectionLines.forEach((line, index) => {
-      line.line.set({ strokeWidth: (index + 1) * 5 })
-
-      centerLines.forEach((centerLine) => {
-        const interSectionPoint = calculateIntersection2(line, centerLine)
-
-        if (!this.inPolygon(interSectionPoint) || !interSectionPoint) {
-          return
-        }
-        line.interSectionPoints.push(interSectionPoint)
-        interSectionPoints.push(interSectionPoint)
-      })
-    })
-
-    ridgeStartPoints.forEach((point, index) => {
-      let arrivalPoint
-      let distance = Infinity
-      let startPoint
-      interSectionPoints.forEach((interSectionPoint) => {
-        if (Math.abs(point.x - interSectionPoint.x) < 3 || Math.abs(point.y - interSectionPoint.y) < 3) {
-          if (distanceBetweenPoints(point, interSectionPoint) < distance) {
-            startPoint = point
-            distance = distanceBetweenPoints(point, interSectionPoint)
-            arrivalPoint = interSectionPoint
-          }
-        }
-      })
-
-      if (arrivalPoint) {
-        const line = notInterSectionLines.filter((line) => line.interSectionPoints.includes(arrivalPoint))[0]
-
-        const ridge = new QLine([startPoint.x, startPoint.y, arrivalPoint.x, arrivalPoint.y], {
-          stroke: 'black',
-          fontSize: this.fontSize,
-        })
-
-        const helpLine = new QLine([line.x1, line.y1, arrivalPoint.x, arrivalPoint.y], {
-          stroke: 'red',
-          fontSize: this.fontSize,
-        })
-
-        ridgeEndPoints.push(arrivalPoint)
-        this.addWithUpdate(ridge)
-        this.addWithUpdate(helpLine)
-        this.removeWithUpdate(line)
-        this.canvas.renderAll()
-      }
-    })
-
-    ridgeEndPoints.forEach((point, index) => {
-      const currentRidgeEndPoint = ridgeEndPoints[index]
-      const nextRidgeEndPoint = ridgeEndPoints[(index + 1) % ridgeEndPoints.length]
-      const ridgeConnectLine = new QLine([currentRidgeEndPoint.x, currentRidgeEndPoint.y, nextRidgeEndPoint.x, nextRidgeEndPoint.y], {
-        fontSize: this.fontSize,
-        stroke: 'green',
-      })
-
-      this.addWithUpdate(ridgeConnectLine)
-      this.canvas.renderAll()
-    })
-  }
-  drawHelpLineInHexagon(chon) {
-    const historyLines = []
-    const helpPoints = []
-    const notInterSectionLines = []
-    const ridge = []
-    const maxLength = this.lines.reduce((max, obj) => Math.max(max, obj.length), 0)
-    this.points.forEach((point, index) => {
-      const wallPoint = this.wall.points[index]
-      // 두 점의 좌표
-      const x1 = point.x
-      const y1 = point.y
-      const x2 = wallPoint.x
-      const y2 = wallPoint.y
-      const historyLines = []
-      const helpPoints = []
-      const notInterSectionLines = []
-      const ridge = []
-      const maxLength = this.lines.reduce((max, obj) => Math.max(max, obj.length), 0)
-      this.points.forEach((point, index) => {
-        const wallPoint = this.wall.points[index]
-        // 두 점의 좌표
-        const x1 = point.x
-        const y1 = point.y
-        const x2 = wallPoint.x
-        const y2 = wallPoint.y
-
-        let newX2, newY2
-
-        // x1, y1을 기준으로 x2, y2와의 거리를 유지한 새로운 직선 생성
-        const angle = Math.atan2(y2 - y1, x2 - x1)
-
-        newX2 = x1 + (maxLength / 2) * Math.cos(angle)
-        newY2 = y1 + (maxLength / 2) * Math.sin(angle)
-
-        const line = new QLine([x1, y1, newX2, newY2], {
-          fontSize: this.fontSize,
-          stroke: 'blue',
-          idx: index,
-        })
-        historyLines.push(line)
-        this.canvas.add(line)
-
-        this.canvas.renderAll()
-      })
-
-      /**
-       * 삼각 지붕
-       */
-      historyLines.forEach((line, index) => {
-        const prevLine = historyLines[(index - 1 + historyLines.length) % historyLines.length]
-
-        let intersectionPoint = calculateIntersection(line, prevLine)
-
-        if (!intersectionPoint) {
-          notInterSectionLines.push(line)
-          return
-        }
-
-        const helpLine1 = new QLine([prevLine.x1, prevLine.y1, intersectionPoint.x, intersectionPoint.y], {
-          fontSize: this.fontSize,
-          stroke: 'red',
-        })
-
-        const helpLine2 = new QLine([line.x1, line.y1, intersectionPoint.x, intersectionPoint.y], {
-          fontSize: this.fontSize,
-          stroke: 'red',
-        })
-        notInterSectionLines.pop()
-        helpPoints.push(intersectionPoint)
-
-        this.canvas.add(helpLine1)
-        this.canvas.add(helpLine2)
-        this.canvas.remove(prevLine)
-        this.canvas.remove(line)
-        this.canvas.renderAll()
-      })
-      // 용마루
-
-      const ridgePoint = []
-
-      helpPoints.forEach((helpPoint, index) => {
-        const closestLine = findClosestLineToPoint(helpPoint, notInterSectionLines)
-
-        // 가까운 선의 중심점
-        const centerClosestLinePoint = {
-          x: (closestLine.x1 + closestLine.x2) / 2,
-          y: (closestLine.y1 + closestLine.y2) / 2,
-        }
-
-        const direction = getDirectionByPoint(helpPoint, centerClosestLinePoint)
-
-        let newX, newY
-
-        switch (direction) {
-          case 'left': {
-            newX = ((closestLine.x2 - closestLine.x1) * (helpPoint.y - closestLine.y1)) / (closestLine.y2 - closestLine.y1) + closestLine.x1
-            newY = helpPoint.y
-            break
-          }
-          case 'right': {
-            newX = ((closestLine.x2 - closestLine.x1) * (helpPoint.y - closestLine.y1)) / (closestLine.y2 - closestLine.y1) + closestLine.x1
-            newY = helpPoint.y
-            break
-          }
-          case 'top': {
-            newX = helpPoint.x
-            newY = ((closestLine.y2 - closestLine.y1) * (helpPoint.x - closestLine.x1)) / (closestLine.x2 - closestLine.x1) + closestLine.y1
-            break
-          }
-          case 'bottom': {
-            newX = helpPoint.x
-            newY = ((closestLine.y2 - closestLine.y1) * (helpPoint.x - closestLine.x1)) / (closestLine.x2 - closestLine.x1) + closestLine.y1
-            break
-          }
-        }
-
-        const ridgeHelpLine = new QLine([closestLine.x1, closestLine.y1, newX, newY], {
-          fontSize: this.fontSize,
-          stroke: 'purple',
-          strokeWidth: 5,
-        })
-
-        ridgePoint.push({ x: newX, y: newY })
-
-        const ridge = new QLine([helpPoint.x, helpPoint.y, newX, newY], {
-          fontSize: this.fontSize,
-          stroke: 'skyblue',
-          strokeWidth: 5,
-        })
-
-        this.canvas.add(ridge)
-        this.canvas.renderAll()
-
-        this.canvas.add(ridgeHelpLine)
-        this.canvas.remove(closestLine)
-        this.canvas.renderAll()
-      })
-
-      // 용마루 끼리 연결
-      for (let i = 0; i < ridgePoint.length; i = i + 2) {
-        const currentRidgeEndPoint = ridgePoint[i]
-        const nextRidgeEndPoint = ridgePoint[(i + 1) % ridgePoint.length]
-        const ridgeConnectLine = new QLine([currentRidgeEndPoint.x, currentRidgeEndPoint.y, nextRidgeEndPoint.x, nextRidgeEndPoint.y], {
-          fontSize: this.fontSize,
-          stroke: 'green',
-          strokeWidth: 5,
-        })
-        this.canvas.add(ridgeConnectLine)
-        this.canvas.renderAll()
-      }
-
-      this.canvas.renderAll()
-    })
-  }
-
-  drawHelpLineInOctagon(chon) {}
-
-  getObject() {
-    return this
-  }
-  sou
-
-  toObject(propertiesToInclude) {
-    return fabric.util.object.extend(this.callSuper('toObject'), {
-      points: this.points,
-      fontSize: this.fontSize,
-      name: this.name,
-      shape: this.shape,
-      texts: this.texts,
-      lines: this.lines,
-      wall: this.wall,
-      initPoints: this.initPoints,
-      initOption: this.initOption,
-      objects: this.getObjects().map((obj) => obj.toObject(propertiesToInclude)),
-      pattern: this.pattern,
-    })
-  }
-
-  _set(key, value) {
-    this.callSuper('_set', key, value)
-  }
-}
diff --git a/src/hooks/useCanvas.js b/src/hooks/useCanvas.js
index dee2983b..5d63c758 100644
--- a/src/hooks/useCanvas.js
+++ b/src/hooks/useCanvas.js
@@ -42,18 +42,18 @@ export function useCanvas(id) {
   useEffect(() => {
     canvas
       ?.getObjects()
-      .filter((obj) => obj.type === 'textbox' || obj.type === 'text' || obj.type === 'i-text')
+      ?.filter((obj) => obj.type === 'textbox' || obj.type === 'text' || obj.type === 'i-text')
       .forEach((obj) => {
         obj.set({ fontSize: fontSize })
       })
 
     canvas
       ?.getObjects()
-      .filter((obj) => obj.type === 'QLine' || obj.type === 'QPolygon' || obj.type === 'QRect')
+      ?.filter((obj) => obj.type === 'QLine' || obj.type === 'QPolygon' || obj.type === 'QRect')
       .forEach((obj) => {
         obj.setFontSize(fontSize)
       })
-    canvas?.renderAll()
+    canvas?.getObjects().length > 0 && canvas?.renderAll()
   }, [fontSize])
 
   /**
@@ -103,7 +103,7 @@ export function useCanvas(id) {
   }
 
   const initialize = () => {
-    canvas?.clear()
+    canvas.getObjects().length > 0 && canvas?.clear()
     // settings for all canvas in the app
     fabric.Object.prototype.transparentCorners = false
     fabric.Object.prototype.cornerColor = '#2BEBC8'
diff --git a/src/hooks/useMode.js b/src/hooks/useMode.js
index d1faa991..96fc3516 100644
--- a/src/hooks/useMode.js
+++ b/src/hooks/useMode.js
@@ -3,7 +3,16 @@ import QRect from '@/components/fabric/QRect'
 import { findTopTwoIndexesByDistance, getCenterPoint, getDirection, getStartIndex, rearrangeArray } from '@/util/canvas-util'
 import { useRecoilState } from 'recoil'
 
-import { canvasSizeState, fontSizeState, roofPolygonPatternArrayState, roofState, sortedPolygonArray, wallState } from '@/store/canvasAtom'
+import {
+  canvasSizeState,
+  fontSizeState,
+  roofPolygonArrayState,
+  roofPolygonPatternArrayState,
+  roofState,
+  sortedPolygonArray,
+  templateTypeState,
+  wallState,
+} from '@/store/canvasAtom'
 import { QLine } from '@/components/fabric/QLine'
 import { fabric } from 'fabric'
 import { QPolygon } from '@/components/fabric/QPolygon'
@@ -17,6 +26,8 @@ export const Mode = {
   TEXTBOX: 'textbox',
   DRAW_RECT: 'drawRect',
   ROOF_PATTERN: 'roofPattern',
+  MODULE: 'module',
+  ROOT_TRESTLE: 'rootTrestle',
   DEFAULT: 'default',
 }
 
@@ -39,6 +50,8 @@ export function useMode() {
   const pointCount = useRef(0)
 
   const [roofPolygonPattern, setRoofPolygonPattern] = useRecoilState(roofPolygonPatternArrayState)
+  const [roofPolygonArray, setRoofPolygonArray] = useRecoilState(roofPolygonArrayState)
+  const [templateType, setTemplateType] = useRecoilState(templateTypeState)
 
   const [canvasSize] = useRecoilState(canvasSizeState)
 
@@ -225,6 +238,9 @@ export function useMode() {
       case 'roofPattern':
         makeRoofPatternPolygon()
         break
+      case 'rootTrestle':
+        makeRoofTrestle()
+        break
     }
   }
 
@@ -1013,9 +1029,7 @@ export function useMode() {
   /**
    *벽 지붕 외곽선 생성
    */
-  const handleOuterlinesTest = (offsetInputX, offsetInputY = 0) => {
-    const polygon = drawWallPolygon()
-
+  const handleOuterlinesTest = (polygon, offsetInputX, offsetInputY = 0) => {
     let offsetPoints = []
     const originalMax = 71
     const transformedMax = 100
@@ -1083,7 +1097,7 @@ export function useMode() {
       offsetPoints.push(offsetPoint)
     }
 
-    makePolygon(offsetPoints)
+    return makePolygon(offsetPoints)
   }
 
   /**
@@ -1501,6 +1515,7 @@ export function useMode() {
     } else if (polygon.lines.length === 8) {
       handleOuterLineTemplateA8Points(polygon)
     }
+    setTemplateType(2)
   }
 
   const handleOuterLineTemplateA4Points = (polygon) => {
@@ -1622,15 +1637,15 @@ export function useMode() {
 
     const dashedCenterLineOpt = {
       stroke: 'black',
-      strokeWidth: 4,
+      strokeWidth: 1,
       property: 'centerLine',
-      strokeDashArray: [5, 5],
+      strokeDashArray: [10, 5],
       fontSize: 14,
     }
 
     const centerLineOpt = {
       stroke: 'blue',
-      strokeWidth: 5,
+      strokeWidth: 1,
       property: 'bigHoriCenter',
       fontSize: 14,
     }
@@ -1642,7 +1657,7 @@ export function useMode() {
 
       const line = new QLine([start.x, start.y, end.x, end.y], {
         stroke: '#A0D468',
-        strokeWidth: 5,
+        strokeWidth: 2,
         property: 'normal',
         fontSize: 14,
       })
@@ -2944,6 +2959,8 @@ export function useMode() {
       console.log('6각형')
       handleTemplateB(params)
     }
+
+    setTemplateType(3)
   }
 
   /**
@@ -3497,13 +3514,34 @@ export function useMode() {
       fontSize: 15, // fontSize는 필요에 따라 조정
     }
 
+    let polygonArray = []
+
     roofPolygonPattern.roofPatternPolygonArray.forEach((patternPolygon, index) => {
       const drawPolygon = new QPolygon(patternPolygon, commonOption)
-      drawPolygon.setViewLengthText(false)
-      drawPolygon.sendToBack()
       canvas.add(drawPolygon)
+      drawPolygon.setViewLengthText(false)
+      polygonArray.push(drawPolygon)
     })
     canvas.renderAll()
+
+    setRoofPolygonArray(polygonArray)
+  }
+
+  const makeRoofTrestle = () => {
+    if (Object.keys(roofPolygonPattern).length === 0 && roofPolygonPattern.constructor === Object) {
+      alert('객체가 비어있습니다.')
+      return
+    }
+
+    // 오목한 부분 인덱스 찾기
+    const polygons = roofPolygonArray
+    let concavePolygonObj = []
+
+    polygons.forEach((polygon, index) => {
+      const trestlePolygon = handleOuterlinesTest(polygon, -12)
+      trestlePolygon.set('stroke', 'red').set('strokeDashArray', [9, 5]).set('strokeWidth', 0.3).setViewLengthText(false)
+      trestlePolygon.fillCell({ width: 100, height: 30, padding: 10 })
+    })
   }
 
   return {
@@ -3518,6 +3556,7 @@ export function useMode() {
     handleOuterlinesTest,
     handleOuterlinesTest2,
     makeRoofPatternPolygon,
+    makeRoofTrestle,
     drawRoofPolygon,
   }
 }
diff --git a/src/store/canvasAtom.js b/src/store/canvasAtom.js
index a5195f83..c51a7061 100644
--- a/src/store/canvasAtom.js
+++ b/src/store/canvasAtom.js
@@ -42,6 +42,12 @@ export const roofPolygonPatternArrayState = atom({
   dangerouslyAllowMutability: true,
 })
 
+export const roofPolygonArrayState = atom({
+  key: 'roofPolygonArray',
+  default: [],
+  dangerouslyAllowMutability: true,
+})
+
 export const templateTypeState = atom({
   key: 'templateType',
   default: 1, //1:모임지붕, 2:A타입, 3:B타입
diff --git a/src/util/canvas-util.js b/src/util/canvas-util.js
index 939c48f4..7374c024 100644
--- a/src/util/canvas-util.js
+++ b/src/util/canvas-util.js
@@ -430,6 +430,68 @@ export const sortedPoints = (points) => {
   })
 }
 
+export const sortedPointLessEightPoint = (points) => {
+  const copyPoints = [...points]
+  //points를 x,y좌표를 기준으로 정렬합니다.
+  copyPoints.sort((a, b) => {
+    if (a.x === b.x) {
+      return a.y - b.y
+    }
+    return a.x - b.x
+  })
+
+  const resultPoints = [copyPoints[0]]
+  let index = 1
+  let currentPoint = { ...copyPoints[0] }
+  copyPoints.splice(0, 1)
+  while (index < points.length) {
+    if (index === points.length - 1) {
+      resultPoints.push(copyPoints[0])
+      index++
+      break
+    } else if (index % 2 === 0) {
+      // 짝수번째는 y값이 같은 점을 찾는다.
+      for (let i = 0; i < copyPoints.length; i++) {
+        // y값이 같은 point가 많은 경우 그 중 x값이 가장 큰걸 찾는다.
+        let temp = copyPoints.filter((point) => point.y === currentPoint.y)
+        if (temp.length === 0) {
+          // temp가 비어있을 경우 copyPoints에서 가장 가까운 점을 찾는다.
+          temp = Array.of(findClosestPointByY(currentPoint, copyPoints))
+        }
+        // temp중 x값이 가장 가까운 값
+
+        const min = temp.reduce((prev, current) => (Math.abs(current.x - currentPoint.x) <= Math.abs(prev.x - currentPoint.x) ? current : prev))
+
+        resultPoints.push(min)
+        currentPoint = min
+        copyPoints.splice(copyPoints.indexOf(min), 1)
+        index++
+        break
+      }
+    } else {
+      // 홀수번째는 x값이 같은 점을 찾는다.
+      for (let i = 0; i < copyPoints.length; i++) {
+        // x값이 같은 point가 많은 경우 그 중 y값이 가장 큰걸 찾는다.
+        let temp = copyPoints.filter((point) => point.x === currentPoint.x)
+        if (temp.length === 0) {
+          // temp가 비어있을 경우 copyPoints에서 가장 가까운 점을 찾는다.
+
+          temp = Array.of(findClosestPointByX(currentPoint, copyPoints))
+        }
+        // temp중 y값이 가장 가까운 값
+        const min = temp.reduce((prev, current) => (Math.abs(current.y - currentPoint.y) <= Math.abs(prev.y - currentPoint.y) ? current : prev))
+
+        resultPoints.push(min)
+        currentPoint = min
+        copyPoints.splice(copyPoints.indexOf(min), 1)
+        index++
+        break
+      }
+    }
+  }
+  return resultPoints
+}
+
 /**
  * point가 선 위에 있는지 확인
  * @param line