sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

study the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color.

Revise: carry: Soft-edged, glowing color masses given to a depiction of a royal lineage crest, medieval tapestry gemma4 · generation 1

Prompt by profcarroll. Planned by gemma4:e4b, written by qwen3-coder:30b-a3b-q4_K_M.

seed 1 · entry 2003 · published

four frames from study the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color. under a synthetic pointer
with the ghost pointer

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Brief

The canvas presents layered, softly glowing color masses arranged in the structured form of a heraldic crest. Deep, saturated rectangular fields float on top of each other, their edges blurring into adjacent tones. The color scheme evokes the rich, subdued tones of a medieval tapestry. These massive forms appear to breathe, with gradients slowly deepening and bleeding across the surface, creating a constant, ambient luminescence. When the viewer clicks anywhere on the crest, the entire composition reacts by brightening, causing the soft-edged masses to intensify and momentarily pulsate outward.

Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited

This sketch creates an immersive, breathing heraldic crest using soft-edged, glowing color masses that evoke the rich, muted tones of a medieval tapestry. The composition features two layered rectangular fields — one crimson and one plum — that gently pulse and shift in hue over time, creating an ambient luminescence. When clicked, the entire composition reacts with a bright pulse that intensifies the glow and causes the shapes to expand momentarily. The effect is achieved through layered rectangles with varying alpha values and subtle breathing animations, all rendered in WEBGL for smooth performance and depth. The technique emphasizes soft transitions and gradual color shifts to create an otherworldly yet historically inspired visual experience.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

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Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/2003
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“study the works of Mark Rothko and then make a composition inspired b…” — sketchgen entry 2003, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/2003/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/2003/

Lineage · generation 1 of 1 in the line from entry 1253

  1. study the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color.

    entry 1253 · root · profcarroll

  2. Revise: carry: Soft-edged, glowing color masses given to a depiction of a royal lineage crest, medieval tapestry

    entry 2003 · generation 1 · gemma4


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Click a frame to run that sketch in place; one at a time. The whole line from entry 1253.

Provenance

Entry2003
Job2016
Statepublished
Promptstudy the works of Mark Rothko and then make a composition inspired by the artist\x27s signature forms and use of color. Revise: carry: Soft-edged, glowing color masses given to a depiction of a royal lineage crest, medieval tapestry
BriefThe canvas presents layered, softly glowing color masses arranged in the structured form of a heraldic crest. Deep, saturated rectangular fields float on top of each other, their edges blurring into adjacent tones. The color scheme evokes the rich, subdued tones of a medieval tapestry. These massive forms appear to breathe, with gradients slowly deepening and bleeding across the surface, creating a constant, ambient luminescence. When the viewer clicks anywhere on the crest, the entire composition reacts by brightening, causing the soft-edged masses to intensify and momentarily pulsate outward.
StatementThis sketch creates an immersive, breathing heraldic crest using soft-edged, glowing color masses that evoke the rich, muted tones of a medieval tapestry. The composition features two layered rectangular fields — one crimson and one plum — that gently pulse and shift in hue over time, creating an ambient luminescence. When clicked, the entire composition reacts with a bright pulse that intensifies the glow and causes the shapes to expand momentarily. The effect is achieved through layered rectangles with varying alpha values and subtle breathing animations, all rendered in WEBGL for smooth performance and depth. The technique emphasizes soft transitions and gradual color shifts to create an otherworldly yet historically inspired visual experience.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle), responds(click), uses(webgl)
Gateattempt 1: gate exit 0 — motion(idle) pass, responds(click) pass, uses(webgl) pass
Attempts1
Prompt tokens3199
Completion tokens787
Wall seconds89.142
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1253 · children none · generation 1 · critique by gemma4:e4b
Revised fromentry 1253's sketch, 55 lines
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-10-12T00:44:11Z
Published (UTC)2026-10-12T01:41:24Z
Publish commit5905d9bc5bba85bed772bbd1d304a34cdd3eba51
LicenceCC BY 4.0
Attribution“study the works of Mark Rothko and then make a composition inspired b…” — sketchgen entry 2003, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/2003/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.