plate no. 5161

St. Augustine in his cell

panel, temperaEarly Renaissancereligious paintingfigureinteriorarchitecturebooksreligiousdesk

recreation guide

Sandro Botticelli’s 'St. Augustine in his cell' (c. 1490) is a quintessential example of Early Renaissance religious painting, executed in tempera on panel. The work is distinctive for its linear precision and the use of tempera, a medium that demands a different approach to color and form than the oil painting that would later dominate the period. As noted in art-historical records, tempera allows for a clarity of line and a matte finish that emphasizes the symbolic nature of the image over naturalistic illusion (Source 4). The composition likely relies on the rhythmic power of lines and the strategic use of contrast to direct the viewer’s attention, principles that underlie the structural integrity of such works (Source 1). The artist’s practice involves selecting materials that express specific qualities, avoiding the 'meretricious attempt to deceive the eye' in favor of painted symbols that convey emotional and spiritual truth (Source 2).

estimated time

40-60 hours over 8-12 sessions

materials

6 items

steps

5 in sequence

materials

item	purpose	modern equivalent
Wooden panel (poplar or similar)	Support for tempera painting, consistent with 15th-century Florentine practice.	—
Gesso ground (chalk and animal glue)	To create a smooth, white, absorbent surface for tempera adhesion.	Pre-gessoed panels or acrylic gesso (though traditional rabbit-skin glue gesso is preferred for authenticity).
Egg tempera paints	Primary medium. Yolk of egg mixed with pigment.	Commercial egg tempera sets or homemade mixtures of egg yolk, water, and pigment.
Natural pigments (Lapis Lazuli, Vermilion, Lead White, Earth tones)	To achieve the specific color harmony and contrast described in color theory principles.	High-quality artist-grade pigments matching historical hues.
Sable brushes (various sizes)	For precise linear application and glazing.	Fine-point synthetic or natural hair brushes.
Dammar or Mastic varnish	To protect the tempera and unify the surface tone.	Natural resin varnishes.

preparation

surface prep

The panel must be prepared with a gesso ground, consisting of layers of chalk mixed with animal glue, sanded smooth between layers. This creates the bright, reflective surface necessary for tempera, which relies on the white ground to achieve luminosity rather than the transparency of oil. This preparation is consistent with the 'limited knowledge of the phenomena of vision' of early masters who worked within the constraints of their medium (Source 2).

underdrawing

Botticelli is known for his linear precision. The underdrawing should be executed in charcoal or black chalk, focusing on the 'rhythmic power' of the lines. As Source 1 suggests, the artist should consider the 'anatomy of compositions' and how lines direct the eye, ensuring that vertical and horizontal lines relate to the rectangular boundaries of the panel to avoid drawing attention to the corners (Source 1).

underpainting

In tempera, there is no true 'underpainting' in the oil sense (like grisaille). Instead, the artist works directly on the white gesso. However, the principle of building up tones applies. The artist should begin with the lightest tones and work toward the darks, using the white ground to help achieve highlights. This aligns with the advice to use the 'vital qualities peculiar to itself' of the medium (Source 2).

color palette

Lapis Lazuli Blue

Pure Lapis Lazuli pigment mixed with egg yolk.

Likely used for St. Augustine’s robes or background elements, providing a rich, deep tone that contrasts with lighter flesh tones.

Vermilion/Red Earth

Vermilion or Red Ochre.

Accents in clothing or flesh tones, adhering to the principle of using colors inherent to the model or chosen for contrast (Source 5).

Lead White

Lead White pigment.

Highlights and mixing to create lighter tones, essential for the 'gradation of light' mentioned in color theory (Source 5).

Black/Bistre

Bone Black or Bistre.

Shadows and defining lines, used sparingly to avoid 'crudity' and maintain harmony (Source 3).

composition

The composition should be structured around the 'arresting power of the right angle' at the corners of the rectangular panel. To prevent the eye from being drawn to the corners, the artist should use 'dark mass, or with lines swinging round' to carry the eye to the center (Source 1). The arrangement of abstract lines should underlie the expression, creating an 'emotional significance' that is carefully hidden by the natural appearance of the figures (Source 1).

step by step

underdrawing→first pass→refining→finishing

underdrawing

step 01
Sketch the composition on the gessoed panel using charcoal, focusing on the linear rhythm and ensuring that lines direct the eye toward the central figure of St. Augustine.
Tip — Avoid strong lines at the corners; use curved lines to deflect attention inward.
Linear Composition

first pass

step 02
Apply the first layer of tempera using light tones. Work from light to dark, allowing the white gesso to show through for highlights.
Tip — Keep the paint thin and fluid; tempera dries quickly and requires small, hatched strokes.
Tempera Application

refining

step 03
Build up mid-tones and shadows. Use the principle of 'harmony of contrast' by mixing colors with grey if monotony is a concern, ensuring distinct parts are appreciable (Source 3).
Tip — Check that the complexion and draperies are chosen to give value to the predominant colors (Source 3).
Color Harmony
step 04
Refine details, ensuring that the 'gradation of light' is achieved through juxtaposition of tones, as described in the laws of contrast (Source 5).
Tip — Do not rely on black alone for shadows; use complementary colors to neutralize and darken without shifting hue undesirably (Source 7).
Chiaroscuro via Contrast

finishing

step 05
Apply a final varnish to unify the surface and protect the tempera. Note that once varnished, tempera can resemble oil painting, but the artist should remember it is a 'painted symbol' (Source 4).
Tip — Ensure the varnish does not obscure the linear clarity of the tempera.
Varnishing

critical techniques

Linear Rhythm

Using lines to direct the viewer's eye and create emotional significance, avoiding the 'arresting power' of the panel corners (Source 1).

Color Contrast

Using complementary colors and grey mixing to achieve harmony and avoid crudity, especially in flesh tones and draperies (Source 3).

Tempera Layering

Building up color in thin layers, respecting the medium's limitations and vital qualities (Source 2).

common pitfalls

→Attempting to create 'illusion of natural appearances' at the expense of the medium's vitality, leading to a 'meretricious attempt to deceive the eye' (Source 2).
→Ignoring the 'arresting power' of the panel corners, causing the composition to feel unbalanced (Source 1).
→Using black to darken colors, which can cause undesirable hue shifts; instead, use complementary colors (Source 7).
→Creating monotony by not using the 'principle of harmony of contrast' with grey tones (Source 3).

what the sources don't tell us

Where the corpus is silent, we say so rather than guess. These are the gaps a complete recreation guide would normally cover that our source passages don't.

·Specific iconographic details of St. Augustine's cell (e.g., specific books, objects) are not described in the sources, so the artist must rely on general Early Renaissance conventions or external research not provided here.
·Exact pigment recipes for Botticelli's specific palette are not detailed in the sources, requiring general knowledge of 15th-century Florentine materials.
·The specific underdrawing technique (e.g., use of sinopia) is not explicitly covered in the provided sources.

grounded in

The technical procedure in this guide traces to the following classical art-instruction texts.

The Practice and Science of Drawing↗
- Illustrating Some of the Lines on Which the Rhythmic Power of This Picture Depends — applied to Composition and line direction
- XX Materials — applied to Medium selection and philosophy
Laws of Contrast of Colour↗
- 328-331 — applied to Color harmony and contrast
- 6 — applied to Gradation of light and chiaroscuro
The Practice of Oil Painting↗
- Tintoretto — applied to Tempera medium characteristics