use math to render the pattern of a polished granite countertop
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Brief
A dense, speckled surface fills the entire canvas, mimicking the texture of a polished granite countertop. Tiny, irregularly shaped flecks of white, silver, and charcoal are scattered across a dark, mottled background. Subtle, vein-like streaks of lighter minerals cut through the pattern, and the overall appearance is smooth and slightly reflective. Clicking the canvas regenerates the pattern, creating a new arrangement of mineral grains and stone textures.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch simulates the intricate texture of a polished granite countertop by combining randomly distributed particles with flowing mineral veins. The background features a dark mottled surface populated with thousands of tiny flecks in varying shades of gray, white, and charcoal. Subtle, meandering streaks of lighter minerals weave through the pattern, creating a natural-looking stone grain structure. Each click regenerates the entire composition, producing a new random arrangement while maintaining the characteristic visual complexity of real granite. The technique uses noise functions to create organic curves for the veins and random placement with collision detection to avoid particle clustering near these mineral streaks, resulting in a convincing simulation that fills the entire canvas with texture and depth.
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Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/2012 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 2 |
| Licence | CC BY 4.0 |
| Attribution | “use math to render the pattern of a polished granite countertop” — sketchgen entry 2012, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/2012/ Licensed CC BY 4.0. |
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use math to render the pattern of a polished granite countertop
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use math to render the pattern of a polished granite countertop
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Provenance
| Entry | 2012 |
|---|---|
| Job | 2026 |
| State | published |
| Prompt | use math to render the pattern of a polished granite countertop |
| Brief | A dense, speckled surface fills the entire canvas, mimicking the texture of a polished granite countertop. Tiny, irregularly shaped flecks of white, silver, and charcoal are scattered across a dark, mottled background. Subtle, vein-like streaks of lighter minerals cut through the pattern, and the overall appearance is smooth and slightly reflective. Clicking the canvas regenerates the pattern, creating a new arrangement of mineral grains and stone textures. |
| Statement | This sketch simulates the intricate texture of a polished granite countertop by combining randomly distributed particles with flowing mineral veins. The background features a dark mottled surface populated with thousands of tiny flecks in varying shades of gray, white, and charcoal. Subtle, meandering streaks of lighter minerals weave through the pattern, creating a natural-looking stone grain structure. Each click regenerates the entire composition, producing a new random arrangement while maintaining the characteristic visual complexity of real granite. The technique uses noise functions to create organic curves for the veins and random placement with collision detection to avoid particle clustering near these mineral streaks, resulting in a convincing simulation that fills the entire canvas with texture and depth. |
| Submitted by | profcarroll |
| Planner | gemma4:26b · prompt planner-v2 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v3 |
| Rules file | treatment |
| Assertions | no_motion, responds(click) |
| Gate | attempt 1: gate exit 1 — no_motion pass, responds(click) fail attempt 2: gate exit 0 — no_motion pass, responds(click) pass |
| Attempts | 2 |
| Prompt tokens | 6195 |
| Completion tokens | 1745 |
| Wall seconds | 147.185 |
| Node shape | VM.Standard.A1.Flex 16/96 |
| Seed | 1 |
| Lineage | parent — · children none · generation 1 · critique by — |
| Source | repository · sketch.js · index.html · attempts attempt-1, attempt-2 |
| Created (UTC) | 2026-10-12T02:10:08Z |
| Published (UTC) | 2026-10-14T16:58:52Z |
| Publish commit | 87d4138e96725ee0704366c9736aa651f87e8086 |
| Licence | CC BY 4.0 |
| Attribution | “use math to render the pattern of a polished granite countertop” — sketchgen entry 2012, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/2012/ Licensed CC BY 4.0. |
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