Text to imageProductStyle guide
One Glass Tumbler · Dark-Field Edge Lighting
A product photograph that reveals a clear tumbler against black through bright side contours, making its transparency and wall thickness readable.
One Glass Tumbler · Dark-Field Edge Lighting
- Shape & line
- Describe the cylindrical shape with two continuous luminous side contours, a thin elliptical rim, and a broader curved highlight across the thick base; let the interior remain transparent and dark rather than outlining every surface.
- Color & light
- Place tall diffused lights behind the glass on image-left and image-right, outside the frame, so each produces a bright white contour on its corresponding side; keep the background black and the center of the glass substantially darker than its edges.
- Texture & material
- Render smooth, clear glass with crisp highlights that broaden gently through the rounded rim and thick base; show the rear rim faintly through the front wall, and keep the black supporting surface matte so it creates no mirror duplicate.
- Composition
- Make the tumbler occupy roughly the middle two-thirds of the image height, leave balanced space on both sides, and preserve a narrow dark gap between the front and rear rim arcs; keep the base visibly seated on the surface with a restrained contact shadow.
Priority
Prioritize bright glass edges surrounding a dark, transparent center.
What to avoid & what to check
Avoid front lighting that fills the glass with white glare or makes it appear opaque.
Check that both side contours, the open rim, and the thick base remain readable against black.
Exact prompt for this example
SUBJECT One empty, unbranded clear glass tumbler with straight cylindrical walls, a rounded open rim, and a visibly thicker base, standing upright on a matte black surface. COMPOSITION Use a near-frontal view from slightly above the rim, showing its shallow elliptical opening. Center the complete tumbler in a vertical frame with generous black space around it; keep both side contours separated from the frame edges. STYLE GUIDE 1. Shape & line Describe the cylindrical shape with two continuous luminous side contours, a thin elliptical rim, and a broader curved highlight across the thick base; let the interior remain transparent and dark rather than outlining every surface. 2. Color & light Place tall diffused lights behind the glass on image-left and image-right, outside the frame, so each produces a bright white contour on its corresponding side; keep the background black and the center of the glass substantially darker than its edges. 3. Texture & material Render smooth, clear glass with crisp highlights that broaden gently through the rounded rim and thick base; show the rear rim faintly through the front wall, and keep the black supporting surface matte so it creates no mirror duplicate. 4. Composition Make the tumbler occupy roughly the middle two-thirds of the image height, leave balanced space on both sides, and preserve a narrow dark gap between the front and rear rim arcs; keep the base visibly seated on the surface with a restrained contact shadow. 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 bright glass edges surrounding a dark, transparent center. AVOID Avoid front lighting that fills the glass with white glare or makes it appear opaque. OUTPUT One photorealistic studio product image, portrait 4:5 aspect ratio, with no text, logo, watermark, or diagram. SELF-CHECK Check that both side contours, the open rim, and the thick base remain readable against black.
Model information comes from image provenance. The same prompt may produce a different result.