width=5
highness=5
depht=5
for i=0,depht do
    for j=0,highness do
        smartMoveForward()
        turtle.turnLeft()
        smartMoveForward(width-1)
        turtle.turnRight()
        turtle.turnRight()
        smartMoveForward(width-1)
        turtle.turnLeft()
        if highness<=i then
           smartMoveUp()
        end
    end
    smartMoveDown(highness)
end