B. 3 This choice is due sicuro the following facts:

B. 3 This choice is due sicuro the following facts:

Durante some cases these drawings consist of elementary graphic lines: ff

As verso first approach to the study of the proportions sopra the architectural drawings of Leonardo, I have focused only on the sacred buildings sketched sopra Ms.

  1. These drawings are all similar subjects (mostly variations on the theme of the central plan or of composites thereof); 4
  2. they are all proposed according to the same mode of representation (usually per plan accompanied by verso perspective elevation);
  3. they were executed around the same time.

This group is composed of pairs, each consisting of per plan and a perspective exterior view, and each relating onesto verso particular building (ff

The subject of sacred buildings is perhaps the most striking of all those treated in Ms. B (considered together with its complement, of course, Codex Ashburnham 2037). Available for consideration are eighty drawings, 5 ranging from plans, diagrammatic schemes, perspective elevations, sections and details, concentrated sopra folded sheets 1 preciso 4, 6, and 10 of the codex. 6 There are only eight basilicas represented, mediante six plans and two perspective views (ff. 11v, 24v, 35v, 52r, 57r). Among them are the plan of the chiesa of Beato Temperamento durante Florence (f. 11v) and two plans of the Holy Sepulchre of Milan (f. 52r).

The drawings per question that depict central-plan churches are seventy-two in number. Among them are the planimetric schemes of Brunelleschi’s Rondo degli Angeli (f. 11v) and Santa Maria mediante Asta, in Pavia (f. 55r). 15r (three plans durante the right margin), 21r (two plans with corresponding elevations), 52r (per abbazia plan at lower left), 93v (two small plans at upper right and left), and others showing more complex schemes.

Verso limited group of figures consists of more elaborate drawings of larger size. They are drawn durante pen and shaded for enhanced three-dimensional rendering that makes them stand out from the sheets. 17v-18r, 18v-19r, 21r, 21v, 22r, 24r, 25v, 39v, 52r, 93v, 94r, 95v). 7 There are nineteen pairs, among them only two basilicas. The centralized schemes are primarily based on the square (eleven instances) and the octagon (six instances). The plans are almost always drawn at right and the elevations at left 8 – a sign that the latter preceded the former in execution (ff. 17v-18r, 18v-19r, 22r, 24r, 25v, 39v, 52r, and the pair at left on 93v of the five overall). 9 Sometimes, however, the plans are located at the bottom, on the same axes as the elevations (ff. 21r, drawing mediante the lower right; 93v, four of the five pairs present on the sheet; 94r, 95v ), 10 or shifted per bit esatto the left (f. 21r, drawing at upper left).

The plans are always in the form of geometrical ‘wire frame’ diagrams. Only at verso later time did Leonardo partially or fully ‘dress’ them with wall thicknesses: thicknesses that not only generate inconsistencies sopra the relationships between solids and voids, durante the structural plausibility of wall thicknesses, and mediante the connections between the parts, but also change the proportional relationships. 11 The rapid abandonment of this exercise, which runs contrary puro the original graphic procedure, betrays the differences between ideation, rapid graphic notation, and complete building design. The clarity of the drawing in the temple schemes con Ms. B – often completely or partially made freehand – con effect de-emphasizes the materiality of the buildings thus projected.

Elevations, on the other hand, are in the forms of perspective views: curves, lateral surfaces of hollow solids, and shells that suggest that the volumes and shapes, regardless of how all the internal elements of the plan can be developed structurally esatto become articulated above ground. The exterior is only one possible form through which the plan can evolve sopra space, as verso kind of vertical extrusion. The structure of the interior, durante fact, is never indicated sopra section (except con the case of f. 4r of the Codex Ashburnham 2037 = Ms. B, f. 94r) 12 nor, judging by the size of the drawings, ever even conceived by Leonardo. On the other hand, when trying to correlate the exterior with the interior, Leonardo resorts preciso broken perspectives (for example, Codex Atlanticus, f. 205v-a), views showing internal details, or transparent views. Examples of this type – and I consider here not only the sacred buildings – are also present con Ms. B (ff. 12r, 12v, abdlmatch 15r, 16v, 19r, 21v, 36r, 36v, 37r, 37v, 38v, 39r, 47r, 94r, 95r).

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