E. A school desk is made by standing the lower half of a small oblong box upon one of its long rims. Cut in the box rim where you see a heavy black line in the diagram. A piece of box rim is fitted below the top of the desk inside the box to make a shelf.
F. Glue a narrow box across a larger box that is placed upon one of its long sides at yy to make a piano with keyboard.
FIREPLACE AND MANTEL
Diagram Six, G. Stand any box you may have upright on one end or on one of its long rims. Cut from the front or back of the box an opening as shown by the heavy black line in the diagram.