diff --git a/QT/bezier_1/mywindow.cpp b/QT/bezier_1/mywindow.cpp
index bae52b6..a82ca7b 100644
--- a/QT/bezier_1/mywindow.cpp
+++ b/QT/bezier_1/mywindow.cpp
@@ -74,6 +74,8 @@ void MyWindow::on_segmentSlider_valueChanged(int val)
     segment_count = val;
     QString str(("Ilosc segmentow: " + std::to_string(segment_count)).c_str());
     ui->segmentLabel->setText(str);
+    DrawBezier();
+    update();
 }
 
 
@@ -292,6 +294,17 @@ void MyWindow::DrawCircle(int x1, int y1, int x2, int y2){
     }
 }
 
+void MyWindow::DrawSquare(int x, int y, int size, QColor color){
+    size /= 2;
+    for(int x1 = x - size; x1 < x + size; x1++){
+        for(int y1 = y - size; y1 < y + size; y1++){
+            if(x1 >= szer || y1 >= wys || x1 < 0 || y1 < 0)
+                continue;
+            DrawPixel(img, x1, y1, color);
+        }
+    }
+}
+
 void MyWindow::DrawEllipse(int x1, int y1, int x2, int y2){
     if(x2 >= szer || y2 >= wys || x2 < 0 || y2 < 0)
         return;
@@ -324,7 +337,7 @@ void MyWindow::DrawEllipse(int x1, int y1, int x2, int y2){
 void MyWindow::DrawBezier(){
     ClearImage(img);
     for(int i = 0; i < bezier_points.size(); i+=1){
-        DrawPixel(img, bezier_points[i].x, bezier_points[i].y);
+        DrawSquare(bezier_points[i].x, bezier_points[i].y, 15, QColor(255, 0, 0));
     }
     for(int i = 1; i < bezier_points.size(); i+=3){
         if(i + 2 >= bezier_points.size())
diff --git a/QT/bezier_1/mywindow.h b/QT/bezier_1/mywindow.h
index 6a94449..03884bb 100644
--- a/QT/bezier_1/mywindow.h
+++ b/QT/bezier_1/mywindow.h
@@ -125,6 +125,7 @@ private:
     void DrawLine(int x1, int y1, int x2, int y2, QImage *img);
     void DrawCircle(int x1, int y1, int x2, int y2);
     void DrawEllipse(int x1, int y1, int x2, int y2);
+    void DrawSquare(int x, int y, int size, QColor color = QColor(255,255,255));
     void DrawBezier();
     void ClearImage(QImage *img);
     void UpdateTempImage();