plate no. 4355

The ordination of St. Lawrence

oilEarly Renaissancereligious paintingfiguresarchitecturereligious scenecolumnsrobeshalo

recreation guide

This artwork, part of the Niccoline Chapel cycle (1447–1449), represents Fra Angelico’s work for Pope Nicholas V at the Vatican. The chapel is described as a 'jewel box' characterized by the brilliance of color and extensive gold leaf, reminiscent of the lavish Gothic style of Simone Martini, yet infused with Angelico’s signature humanity and piety (Source 1, Source 4). While the medium is listed as oil in the prompt, historical records indicate these were frescoes, likely executed with significant assistance from pupils like Benozzo Gozzoli (Source 3, Source 4). The style combines late Gothic decorative conventions, such as gilded haloes and borders, with emerging Renaissance principles of solidity and naturalism (Source 5). The figures are noted for their sweetness, gentleness, and truthful bearing, avoiding the expensive trappings of blue and gold in favor of clear, bright pastel colors and careful arrangement of significant figures (Source 1, Source 5).

estimated time

40-60 hours over 8-10 sessions

materials

7 items

steps

6 in sequence

materials

item	purpose	modern equivalent
Gold leaf	For borders, decoration, and haloes, creating the 'jewel box' effect described in the chapel's design.	23k gold leaf
Lapis Lazuli (Ultramarine)	For brilliant blue pigments, noted as a great use in the chapel's decoration.	Natural Ultramarine or high-quality synthetic Ultramarine
Vermilion	For red pigments, consistent with Angelico's use of prestigious pigments in altarpieces.	Cadmium Red Light or Vermilion substitute
Azurite	For blue tones, used extensively in Angelico's altarpieces.	Azurite pigment or Phthalo Blue mixed with white
Linseed Oil	As a vehicle for oil paint, following traditional oil painting techniques.	Refined Linseed Oil
Mineral Spirits/Turpentine	To thin paint for underdrawing and initial layers, adhering to the 'fat over lean' rule.	Odorless Mineral Spirits
Charcoal or Thinned Paint	For sketching the subject onto the surface before painting.	Vine charcoal or raw umber thinned with solvent

preparation

surface prep

While the original Niccoline Chapel works were frescoes on plaster, this recreation uses oil. Prepare a rigid panel or canvas with a smooth, white gesso ground to allow for the 'clear, bright pastel colours' and brilliance of color characteristic of Angelico's style (Source 1, Source 5). The surface should be smooth to facilitate the detailed rendering of gilded robes and delicate facial expressions.

underdrawing

Sketch the composition using charcoal or thinned paint. Fra Angelico demonstrated an understanding of linear perspective, particularly in architectural settings (Source 5). Ensure the figures are arranged carefully, as Angelico focused on the 'skillful use of expression, motion and gesture' (Source 1). The drawing should emphasize the solidity and three-dimensional form of the figures, a Renaissance characteristic Angelico adopted (Source 5).

underpainting

Apply a thin, lean underpainting layer using thinned oil paint to establish values and basic forms. This follows the traditional oil painting rule of 'fat over lean' to ensure proper drying and prevent cracking (Source 8). Use neutral tones to map out the drapery, which should follow the structure of the bodies beneath to convey physical weight (Source 5).

color palette

Brilliant Blue

Lapis Lazuli (Ultramarine)

General use in the chapel's decoration, noted for its brilliance.

Gold

Gold leaf applied with size

Borders, decoration, and haloes, creating a lavish Gothic effect.

Vermilion Red

Vermilion

Robes and accents, consistent with Angelico's use of prestigious pigments.

Pastel Tones

White mixed with various pigments

General use, as Angelico is known for clear, bright pastel colors in his frescoes.

Green

Verdigris or Azurite mixed with Yellow Ochre

Drapery or landscape elements, if applicable, following color contrast principles.

composition

The composition should reflect Angelico's 'careful arrangement of a few significant figures' (Source 1). Avoid clutter; focus on the clarity and simplicity of the narrative. The figures should exhibit 'sweetness and gentleness' in their bearing and expression (Source 1). If architectural elements are present, employ linear perspective to create depth, consistent with Angelico's work at San Marco (Source 5). The overall effect should be one of humility and piety, despite the lavish materials (Source 1).

step by step

underdrawing→underpainting→first pass→refining→finishing→varnishing

underdrawing

step 01
Sketch the figures and architectural elements using charcoal or thinned paint. Focus on the linear perspective and the careful arrangement of figures.
Tip — Ensure the figures convey a sense of physical weight and solidity, a hallmark of Angelico's Renaissance style.
Linear Perspective

underpainting

step 02
Apply a thin, lean layer of paint to establish values. Use neutral tones to map out the drapery and forms.
Tip — Keep this layer thin to allow for proper drying and to prevent cracking in subsequent layers.
Fat over Lean

first pass

step 03
Begin applying color in broader strokes. Use brilliant blues and reds, consistent with the 'jewel box' aesthetic of the Niccoline Chapel.
Tip — Pay attention to the contrast of tone and color, using white or brilliant colors to heighten the complexion if needed.
Color Application

refining

step 04
Refine the details of the faces and hands. Focus on the 'sweetness and gentleness' of the expressions, aiming for truthfulness in bearing.
Tip — Use fine brushes to capture the delicate features and the texture of the gilded robes.
Detailing

finishing

step 05
Apply gold leaf to borders, haloes, and decorative elements. Use a size adhesive and burnish the gold for a brilliant finish.
Tip — Ensure the gold is applied smoothly to create the lavish Gothic effect described in the sources.
Gilding

varnishing

step 06
Apply a final varnish to protect the painting and enhance the depth of the colors.
Tip — Use a high-quality resin varnish to preserve the brilliance of the lapis lazuli and other pigments.
Varnishing

critical techniques

Linear Perspective

Angelico demonstrated an understanding of linear perspective, particularly in architectural settings, which should be used to create depth and structure in the composition.

Gilding

Extensive use of gold leaf for borders and decoration, creating a 'jewel box' effect reminiscent of Gothic painting.

Color Contrast

Use of brilliant colors and white drapery to heighten the tone and contrast of the figures, following principles of color harmony.

Fat over Lean

Traditional oil painting technique where each layer contains more oil than the previous one to ensure proper drying and prevent cracking.

common pitfalls

→Overworking the paint: Angelico's style is characterized by clarity and simplicity; avoid muddy colors by maintaining clean layers.
→Ignoring the 'fat over lean' rule: This can lead to cracking and peeling of the paint film.
→Lack of solidity in figures: Ensure the figures have physical weight and three-dimensional form, avoiding flat, Gothic stylization in the anatomy.
→Excessive clutter: Angelico focused on a few significant figures; avoid overcrowding the composition.

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 'The Ordination of St. Lawrence' are not described in the sources, so the exact arrangement of figures and objects must be inferred from general Renaissance conventions or other depictions of this scene.
·The exact ratio of oil to pigment in Angelico's original fresco technique is not applicable to oil painting, so the viscosity and drying times must be managed according to standard oil practices.
·The role of assistants like Benozzo Gozzoli in the execution of specific details is noted, but their specific contributions to this particular panel are not detailed.

grounded in

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

Laws of Contrast of Colour↗
- 544-547 — applied to Color contrast principles for complexion and drapery.

cross-referenced from

Named facts about this artwork and artist were checked against these reference pages.

Wikipedia bio — Fra Angelico — part 7↗
- Artistic legacy — applied to Overview of style, 'jewel box' effect, and use of gold and color.
Wikipedia bio — Fra Angelico — part 9↗
- Niccoline Chapel — applied to Context of the artwork, use of lapis lazuli and gold leaf.
Wikipedia bio — Fra Angelico — part 4↗
- The Vatican, 1445–1455 — applied to Dating and context of the Niccoline Chapel frescoes.
Wikipedia bio — Fra Angelico — part 5↗
- Altarpieces — applied to Use of linear perspective, solidity of figures, and pigment choices.
Wikipedia: Oil painting — Oil painting — part 2↗
- Traditional oil painting techniques — applied to Fat over lean rule, use of solvents, and drying times.