sketchgen

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

Render a perspective from within New Babylon, the visionary, speculative architectural project developed by Dutch artist and Situationist Constant Nieuwenhuys between 1956 and 1974

Revise: flip: a sketch depicting monumental structural collapse, where the grand geometry of the abandoned city is reduced to flakes and crumbling edges of rust on sheet steel gemma4 · generation 1

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

seed 1 · entry 2029 · published

four frames from Render a perspective from within New Babylon, the visionary, speculative architectural project developed by Dutch artist and Situationist Constant Nieuwenhuys between 1956 and 1974 under a synthetic pointer
with the ghost pointer

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Brief

The scene presents a cavernous, abandoned architectural space, hinting at the former grandeur of a speculative city. Viewers observe vast sheets of oxidized steel and concrete, dominated by the colors of deep rust, oxidized reds, and metallic grays. The geometry is fundamentally broken, appearing less like solid structures and more like particulate decay. Slow, continuous motion simulates the structural degradation, causing sheets and fragments to subtly peel, crumble, and rain down as flakes of rust and stressed metal, transforming monumental forms into ephemeral piles of decay.

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

This sketch portrays the gradual decay of a grand architectural space through the lens of crumbling steel and concrete. Viewers witness massive structural elements slowly breaking apart into smaller fragments, with each piece exhibiting its own motion and aging process. The rusted reds and metallic grays dominate the palette, evoking the passage of time and neglect. As fragments age, they disintegrate further into smaller pieces that drift downward, simulating a continuous collapse. The scene moves slowly but constantly, with subtle rotations and drifting motions that create an atmosphere of inevitable decay and transformation from monument to ruin.

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

Judgment

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Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/2029
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“Render a perspective from within New Babylon, the visionary, speculat…” — sketchgen entry 2029, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/2029/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/2029/

Lineage · generation 1 of 1 in the line from entry 1378

  1. Render a perspective from within New Babylon, the visionary, speculative architectural project developed by Dutch artist and Situationist Constant Nieuwenhuys between 1956 and 1974

    entry 1378 · root · profcarroll

  2. Revise: flip: a sketch depicting monumental structural collapse, where the grand geometry of the abandoned city is reduced to flakes and crumbling edges of rust on sheet steel

    entry 2029 · 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 1378.

Provenance

Entry2029
Job2043
Statepublished
PromptRender a perspective from within New Babylon, the visionary, speculative architectural project developed by Dutch artist and Situationist Constant Nieuwenhuys between 1956 and 1974 Revise: flip: a sketch depicting monumental structural collapse, where the grand geometry of the abandoned city is reduced to flakes and crumbling edges of rust on sheet steel
BriefThe scene presents a cavernous, abandoned architectural space, hinting at the former grandeur of a speculative city. Viewers observe vast sheets of oxidized steel and concrete, dominated by the colors of deep rust, oxidized reds, and metallic grays. The geometry is fundamentally broken, appearing less like solid structures and more like particulate decay. Slow, continuous motion simulates the structural degradation, causing sheets and fragments to subtly peel, crumble, and rain down as flakes of rust and stressed metal, transforming monumental forms into ephemeral piles of decay.
StatementThis sketch portrays the gradual decay of a grand architectural space through the lens of crumbling steel and concrete. Viewers witness massive structural elements slowly breaking apart into smaller fragments, with each piece exhibiting its own motion and aging process. The rusted reds and metallic grays dominate the palette, evoking the passage of time and neglect. As fragments age, they disintegrate further into smaller pieces that drift downward, simulating a continuous collapse. The scene moves slowly but constantly, with subtle rotations and drifting motions that create an atmosphere of inevitable decay and transformation from monument to ruin.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsuses(webgl), motion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass
Attempts1
Prompt tokens3351
Completion tokens1314
Wall seconds105.912
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1378 · children none · generation 1 · critique by gemma4:e4b
Revised fromentry 1378's sketch, 87 lines
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-10-12T04:33:55Z
Published (UTC)2026-10-14T16:58:52Z
Publish commit5374be2c52a9bf858cb193ff8a0431f88ae8adde
LicenceCC BY 4.0
Attribution“Render a perspective from within New Babylon, the visionary, speculat…” — sketchgen entry 2029, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/2029/ Licensed CC BY 4.0.

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