
plate no. 2833
recreation guide
This recreation guide addresses a hypothetical oil painting by Giovanni Battista Piranesi, titled 'Ancient school engineered by Egyptian and Greek,' dated 1750. It is crucial to note that Piranesi is historically documented as an etcher, engraver, and architect, not primarily an oil painter (Source 7). His fame rests on series such as 'Vedute di Roma' and 'Carceri d'invenzione' (Imaginary Prisons), which were published as prints (Source 3, Source 4). The year 1750 specifically marks the publication of the first state of the 'Carceri,' consisting of 14 etchings with a sketch-like look (Source 4). Consequently, this guide interprets the request as a translation of Piranesi’s architectural vision—characterized by 'enormous subterranean vaults,' 'stairs,' and 'mighty machines' (Source 4)—into the medium of oil, utilizing the glazing and scumbling techniques described in the provided sources to mimic the atmospheric depth and 'sketch-like' quality of his 1750 etchings (Source 1, Source 4).
estimated time
40-60 hours over 8-12 sessions (due to the complexity of glazing layers and architectural perspective)
materials
6 items
steps
6 in sequence
materials
| item | purpose | modern equivalent |
|---|---|---|
| Oil of copavia (or modern damar/resin varnish substitute) | Medium for glazing, as cited in Reynolds' method referenced in the text | Damar varnish or Galkyd |
| Black pigment | Primary underpainting color for grisaille | Ivory Black or Mars Black |
| Ultramarine pigment | Primary underpainting color for grisaille | Ultramarine Blue |
| White pigment | Primary underpainting color for grisaille and highlights | Titanium White or Lead White (historical) |
| Red and Yellow transparent pigments | For glazing and scumbling to introduce color tones | Alizarin Crimson, Cadmium Yellow, or transparent earth tones |
| Canvas or Panel | Support for oil painting | Linen canvas primed with gesso |
preparation
surface prep
Prepare a neutral ground. While specific preparation for this hypothetical oil work is not detailed, the sources emphasize that the artist must understand the 'vital qualities' of the medium (Source 8). For a Neoclassical interior with architectural depth, a smooth, white or light grey gesso ground is standard to allow for the transparency of glazes described in Source 1.
underdrawing
Piranesi’s 1750 'Carceri' etchings are described as having a 'sketch-like look' (Source 4). In oil, this suggests a loose, expressive underdrawing rather than rigid line work. Use charcoal or thinned oil to block in the 'enormous subterranean vaults' and 'stairs' (Source 4). Do not over-refine lines at this stage, as the final effect relies on the atmospheric quality of the glazes.
underpainting
Execute a grisaille (monochrome underpainting) using black, ultramarine, and white, mixed with oil of copavia (Source 1). This step establishes the values and forms of the 'mighty machines' and architectural structures (Source 4). The goal is to 'mentally extract the red and yellow colours' and translate what would be left in nature without them (Source 1). Ensure this layer is completely dry before proceeding.
color palette
Black
Pure black pigment
Underpainting shadows and structural depth
Ultramarine
Pure ultramarine pigment
Underpainting mid-tones and atmospheric distance
White
Pure white pigment
Underpainting highlights and structural edges
Red/Yellow Tones
Transparent red and yellow pigments
Glazing and scumbling to add warmth and local color, mimicking the 'tinting an engraving' effect
composition
The composition should reflect the 'enormous subterranean vaults' and 'mighty machines' characteristic of Piranesi’s 'Carceri' (Source 4). The perspective should be dramatic, consistent with his work in 'Perspectives' (Source 3). The 'sketch-like look' of the 1750 first state suggests a composition that feels dynamic and unfinished, rather than a polished, static Neoclassical ideal (Source 4). Avoid overly detailed ornamentation; focus on the scale and mystery of the architecture.
step by step
underdrawing
step 01
Sketch the architectural elements: vaults, stairs, and machines. Keep lines loose to emulate the 'sketch-like look' of the 1750 etchings.
Tip — Focus on the grand scale and perspective, not fine detail.
Loose sketching
underpainting
step 02
Apply a grisaille using black, ultramarine, and white mixed with oil of copavia. Establish all values and forms.
Tip — Mentally exclude red and yellow colors to focus on value structure.
Grisaille
drying
step 03
Allow the grisaille to dry completely. This is critical for the glazing technique to work without muddying the underpainting.
Tip — Rushing this step will ruin the transparency of subsequent layers.
Drying
refining
step 06
Adjust colors using the law of simultaneous contrast. Be aware that adjacent colors will influence each other's appearance.
Tip — Correct hue shifts by adding small amounts of adjacent colors if necessary.
Simultaneous Contrast
glazing
step 04
Apply transparent coats of red and yellow tones using oil (or varnish and oil mix) to tint the underpainting, similar to tinting an engraving with watercolors.
Tip — Use thin layers to allow the underlying grisaille to show through.
Glazing
scumbling
step 05
Apply semi-opaque paint (scumbling) over darker grounds to create coldness or grey blooms, enhancing the atmospheric depth of the vaults.
Tip — Watch for the 'grey bloom' effect which adds atmospheric realism.
Scumbling
critical techniques
Glazing and Scumbling
Used to color a monochrome underpainting. Glazing adds transparent color, while scumbling adds semi-opaque texture. This method was practiced by old masters and allows for rich, luminous effects.
Grisaille Underpainting
A monochrome base using black, ultramarine, and white. It establishes the form and value before color is introduced.
Simultaneous Contrast
Understanding that colors appear different when placed next to each other. This helps in harmonizing the composition and correcting perceived color shifts.
common pitfalls
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.
grounded in
The technical procedure in this guide traces to the following classical art-instruction texts.
The Practice of Oil Painting↗
Laws of Contrast of Colour↗
The Practice and Science of Drawing↗
cross-referenced from
Named facts about this artwork and artist were checked against these reference pages.
Wikipedia bio — Giovanni Battista Piranesi↗
Wikipedia: Color theory↗
Read more about the corpus on the sources page and how the guides are built on the methods page.
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