In order to fill in the huge spaces of this edifice, he superimposed tiers of orders one above the other.
Church, cupola, and spires are built up by a succession of Vitruvian temples, ascending from the ground into the air.

The total impression produced by the mass, as we behold it now in the great wooden model at S.Peter's, is one of bewildering complexity.

Of architectural repose it possesses little, except what belongs to a very original and vast conception on a colossal scale.

The extent of the structure is frittered by its multiplicity of parts.

Internally, as Michelangelo pointed out, the church would have been dark, inconvenient, and dangerous to public morals.
VII Whatever we may think of Michelangelo's failings as an architect, there is no doubt that at this period of his life he aimed at something broad and heroic in style.