Knife on Whetstone Bench
FluxKnife on Whetstone Bench is a Flux.1 dev prompt for a 3:2 sharpening process shot. The shallow angle with the edge kissing a wet stone — plus visible slurry — is what separates real honing from a knife merely resting on a brick.
Last tested: August 2026 with Flux Flux.1 dev
Part of the Flux prompt library · see more photorealistic prompts .
How to use this prompt
Models love to lay knives flat and decorative on dry stones. Force the geometry: blade at a shallow angle, edge kissing a wet grey stone, dark slurry along the face. That slurry is the proof of abrasion; without it the scene is a styled flat-lay. Ban brand logos on the blade — bolster stamps and etched names come back as nonsense. Hard raking light from one side is the only way the grind line reads as a bevel rather than a flat silver bar.
Variations to try
- Move to the stropping stage: blade drawn along a leather strop, stone pushed to the background
- Japanese whetstone setup: two stones of different grit stacked, nagura stone and water puddle
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What to do next
For developers — copy this prompt as JSON
{
"title": "Knife on Whetstone Bench",
"prompt": "A chef's knife mid-sharpening on a whetstone at a wooden bench, the blade laid flat at a shallow angle with the edge kissing a wet grey stone, slurry of dark metal and water along the stone face, a leather strop coiled beside a small water bottle, hard raking light from the right picking out the grind line on the blade, no brand logos on the knife, no text, no people",
"model": "Flux",
"model_version": "Flux.1 dev",
"settings": {
"aspect_ratio": "3:2",
"steps": 28,
"cfg": 3.5
},
"style_tags": [
"photorealistic",
"moody"
],
"use_case_tags": [
"product-photography",
"wall-art"
],
"source_url": "https://promptkoi.com/prompts/flux/knife-on-whetstone-bench/"
}The whole library is available as an open JSON dataset · developer docs.
