Below in the kitchen or in the hallway to get any items or products from the top shelves or mezzanines, not necessarily to have a special ladder — after all, it must be stored somewhere, and the area of outbuildings and so small. Suggest to make the one shown here universal stool: it can quickly turn into a miniature ladder.
Half of the top Board being unfolded, turns into top notch. The other two middle and lower — fixed on the horizontal cross members of the two legs, giving additional rigidity to the entire structure.