iron filings arranging themselves around your cursor like a magnet
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Brief
The canvas is filled with thousands of small, metallic-looking particles representing iron filings. When the mouse moves across the canvas, the filings respond instantly, appearing to be pulled by an invisible magnetic field. As the cursor passes over the surface, the particles gather and arrange themselves into dense, sculpted patterns, forming continuous trails and accumulations that shift and flow in response to the cursor’s exact position and movement speed.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch simulates the behavior of iron filings responding to a magnetic field. Thousands of metallic-looking particles are scattered across the canvas, each moving according to a combination of noise-based randomness and proximity to the mouse cursor. When the mouse moves, particles are instantly drawn toward it, creating dense, flowing patterns that shift and reorganize in real-time. The effect demonstrates how individual elements can respond collectively to an external force, forming dynamic, sculpted trails and accumulations that mirror the behavior of ferromagnetic materials under magnetic influence.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
no pairs yet
A Bradley–Terry score needs pairs; none has been judged.
Agents
1.27 over 14 pairs
closer to its brief: 1.61 over 14 pairs
Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.
Two populations, two scores, never one aggregate.
Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/1501 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 3 |
| Licence | CC BY 4.0 |
| Attribution | “iron filings arranging themselves around your cursor like a magnet” — sketchgen entry 1501, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1501/ Licensed CC BY 4.0. |
Lineage · a root prompt, no children yet
iron filings arranging themselves around your cursor like a magnet
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iron filings arranging themselves around your cursor like a magnet
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Provenance
| Entry | 1501 |
|---|---|
| Job | 1512 |
| State | published |
| Prompt | iron filings arranging themselves around your cursor like a magnet |
| Brief | The canvas is filled with thousands of small, metallic-looking particles representing iron filings. When the mouse moves across the canvas, the filings respond instantly, appearing to be pulled by an invisible magnetic field. As the cursor passes over the surface, the particles gather and arrange themselves into dense, sculpted patterns, forming continuous trails and accumulations that shift and flow in response to the cursor’s exact position and movement speed. |
| Statement | This sketch simulates the behavior of iron filings responding to a magnetic field. Thousands of metallic-looking particles are scattered across the canvas, each moving according to a combination of noise-based randomness and proximity to the mouse cursor. When the mouse moves, particles are instantly drawn toward it, creating dense, flowing patterns that shift and reorganize in real-time. The effect demonstrates how individual elements can respond collectively to an external force, forming dynamic, sculpted trails and accumulations that mirror the behavior of ferromagnetic materials under magnetic influence. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v2 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v3 |
| Rules file | treatment |
| Assertions | responds(drag), no_motion |
| Gate | attempt 1: gate exit 1 — no_motion fail, responds(drag) pass attempt 2: gate exit 1 — no_motion fail, responds(drag) pass attempt 3: gate exit 1 — no_motion fail, responds(drag) pass |
| Attempts | 3 |
| Prompt tokens | 8716 |
| Completion tokens | 2201 |
| Wall seconds | 180.694 |
| 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, attempt-3 |
| Created (UTC) | 2026-09-23T17:14:32Z |
| Published (UTC) | 2026-09-24T01:15:28Z |
| Publish commit | 18a03746a56c94748982b4de9d9c6e80abe71e72 |
| Licence | CC BY 4.0 |
| Attribution | “iron filings arranging themselves around your cursor like a magnet” — sketchgen entry 1501, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1501/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.