private void pictureBoxSide_MouseUp(object sender, MouseEventArgs e)
 {
     pictureSide.Action_MouseUp(e);
 }
 private void pictureBoxFront_MouseUp(object sender, MouseEventArgs e)
 {
     pictureFront.Action_MouseUp(e);
     pictureFront.CalculateHeights();
     pictureSide.PaintHelpLines();
 }