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One Egg · Reflected Light and Core Shadow

An illustration that models an egg’s rounded volume by separating its dark core shadow from softly reflected floor light.

Style guide

One Egg · Reflected Light and Core Shadow

Shape & line
Draw a continuous egg-shaped silhouette with a gently narrowed top and a fuller lower half. Build its volume with blended tonal shapes rather than a heavy outline, keeping the outer contour clean.
Color & light
Light the egg from image-upper-left. Put the broad light area on its image-left face, a soft dark core-shadow band on its image-right curve, and a dim reflected-light lift along the lower-right edge facing the tabletop. Keep that reflected light darker than the directly lit face.
Texture & material
Render the shell with restrained fine grain and smooth matte shading, without a sharp glossy highlight. Give the tabletop a quiet powdery texture so its pale surface visibly supplies the warm reflected light beneath the egg.
Composition
Keep the egg and its full image-right cast shadow together in the open tabletop area. Make the shadow darkest and crispest at the base contact, then softer farther right; preserve a visible tonal separation between this floor shadow and the reflected light on the shell.

Priority
Prioritize the dark core-shadow band and the quieter reflected light that reveals the egg’s lower curve.

What to avoid & what to check

Avoid a bright rim light or a reflected patch as bright as the directly lit face.

Check that the lower-right shell light remains subdued and the cast shadow connects visibly to the base.

Exact prompt for this example
SUBJECT
One uncracked ivory egg resting upright on a pale warm-gray matte tabletop, with its narrower end pointing upward. The egg touches the tabletop at its base and casts one connected shadow toward image-right.

COMPOSITION
Use a square frame and a slightly elevated three-quarter view. Place the egg just left of center, occupying roughly half the image height, with enough clear tabletop on image-right to show the entire cast shadow.

STYLE GUIDE
1. Shape & line
Draw a continuous egg-shaped silhouette with a gently narrowed top and a fuller lower half. Build its volume with blended tonal shapes rather than a heavy outline, keeping the outer contour clean.

2. Color & light
Light the egg from image-upper-left. Put the broad light area on its image-left face, a soft dark core-shadow band on its image-right curve, and a dim reflected-light lift along the lower-right edge facing the tabletop. Keep that reflected light darker than the directly lit face.

3. Texture & material
Render the shell with restrained fine grain and smooth matte shading, without a sharp glossy highlight. Give the tabletop a quiet powdery texture so its pale surface visibly supplies the warm reflected light beneath the egg.

4. Composition
Keep the egg and its full image-right cast shadow together in the open tabletop area. Make the shadow darkest and crispest at the base contact, then softer farther right; preserve a visible tonal separation between this floor shadow and the reflected light on the shell.

PRIORITY
Preserve the requested identity, count, action, composition and output settings. Apply the style rules within those constraints; a style reference must not replace the subject or layout. Within the style: Prioritize the dark core-shadow band and the quieter reflected light that reveals the egg’s lower curve.

AVOID
Avoid a bright rim light or a reflected patch as bright as the directly lit face.

OUTPUT
One square illustration with no text, labels, border, or watermark.

SELF-CHECK
Check that the lower-right shell light remains subdued and the cast shadow connects visibly to the base.
Generation tool
gpt-image-2
Created
10/06/2026
Input
Text
Provenance
Original prompt retained

Model information comes from image provenance. The same prompt may produce a different result.