diff --git a/src/components/Roof2.jsx b/src/components/Roof2.jsx
index 270e4fda..9e8f55ff 100644
--- a/src/components/Roof2.jsx
+++ b/src/components/Roof2.jsx
@@ -151,12 +151,12 @@ export default function Roof2() {
     ]
 
     const type3 = [
-      { x: 100, y: 50 },
-      { x: 100, y: 650 },
+      { x: 200, y: 150 },
+      { x: 200, y: 650 },
       { x: 450, y: 650 },
-      { x: 450, y: 400 },
-      { x: 700, y: 400 },
-      { x: 700, y: 50 },
+      { x: 450, y: 500 },
+      { x: 650, y: 500 },
+      { x: 650, y: 150 },
     ]
 
     const type4 = [
@@ -169,7 +169,7 @@ export default function Roof2() {
     ]
     if (canvas) {
       const polygon = new QPolygon(
-        type2,
+        type3,
         {
           fill: 'transparent',
           stroke: 'black',
diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index 2f1842ed..7fbe9d4a 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -616,7 +616,7 @@ export default class QPolygon extends fabric.Group {
         y: (lines[1].y1 + lines[1].y2) / 2,
       }
 
-      ridgeLength = Math.min(this.lines[0].length, this.lines[3].length)
+      ridgeLength = Math.min(this.lines[2].length, this.lines[3].length)
       ridgePoint1 = [vPoint1.x, vPoint1.y, vPoint1.x, vPoint1.y - ridgeLength]
       ridgePoint2 = [vPoint2.x, vPoint2.y, vPoint2.x - ridgeLength, vPoint2.y]
     } else if (type === 4) {