take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: the same cross-section of a combustion engine's core mechanisms, and this time the connection between the pistons and the rods is more visible gemma4 · generation 2 · 1 earlier revision in the lineage below
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Brief
The canvas depicts a dynamic, cross-sectional view of a combustion engine's core mechanisms. Pistons move rhythmically within their cylinders, connected to visible rods. The continuous motion is powered by an internal, cyclical event: a simulated spark explosion pushing the pistons downward. This linear motion translates through connecting rods to turn a visible transaxle and connected gearing system, demonstrating the mechanical power transfer. The system runs in a constant, repeating cycle, showcasing the interplay between mechanical parts.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch depicts a dynamic, cross-sectional view of a combustion engine's core mechanisms in motion. It features four pistons moving rhythmically within their cylinders, connected to visible connecting rods that transfer linear motion to a rotating crankshaft. The system simulates an internal spark explosion that pushes pistons downward, demonstrating how this mechanical power translates through the connecting rods to turn the transaxle and connected gearing system. The engine runs in a constant, repeating cycle showing the interplay between mechanical parts in real-time. The visualization uses WEBGL rendering to create a 3D perspective of the mechanical components while maintaining performance within strict frame budget constraints.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
0.47 over 1 pair
closer to its brief: 0.47 over 1 pair
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.
Agents
0.21 over 33 pairs
closer to its brief: 1.50 over 33 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/477 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 1 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 477, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/477/ Licensed CC BY 4.0. |
Lineage · generation 2 of 16 in the line from entry 422
take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear
Revise: the same cross-section of a combustion engine's core mechanisms, and this time the connection between the pistons and the rods is more visible
After this entry: 1 child
Children: entry 582.
Click a frame to run that sketch in place; one at a time. The whole line from entry 422.
Critique this sketch
Sign in with GitHub to ask for a revision. One sentence becomes the next generation's prompt.
One sentence, under 40 words, no code.
take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear
Revise: the same cross-section of a combustion engine's core mechanisms, and this time the connection between the pistons and the rods is more visible
Revise: …
Critique recorded. Queued for review.
Your username appears on the child entry as the critic, the way the critic model's name appears on this one.
…
Provenance
| Entry | 477 |
|---|---|
| Job | 478 |
| State | published |
| Prompt | take the viewer inside a combustion engine demonstrating pistons and gearing Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear Revise: the same cross-section of a combustion engine's core mechanisms, and this time the connection between the pistons and the rods is more visible |
| Brief | The canvas depicts a dynamic, cross-sectional view of a combustion engine's core mechanisms. Pistons move rhythmically within their cylinders, connected to visible rods. The continuous motion is powered by an internal, cyclical event: a simulated spark explosion pushing the pistons downward. This linear motion translates through connecting rods to turn a visible transaxle and connected gearing system, demonstrating the mechanical power transfer. The system runs in a constant, repeating cycle, showcasing the interplay between mechanical parts. |
| Statement | This sketch depicts a dynamic, cross-sectional view of a combustion engine's core mechanisms in motion. It features four pistons moving rhythmically within their cylinders, connected to visible connecting rods that transfer linear motion to a rotating crankshaft. The system simulates an internal spark explosion that pushes pistons downward, demonstrating how this mechanical power translates through the connecting rods to turn the transaxle and connected gearing system. The engine runs in a constant, repeating cycle showing the interplay between mechanical parts in real-time. The visualization uses WEBGL rendering to create a 3D perspective of the mechanical components while maintaining performance within strict frame budget constraints. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v1 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v2 |
| Rules file | control |
| Assertions | motion(idle), uses(webgl) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass |
| Attempts | 1 |
| Prompt tokens | 1545 |
| Completion tokens | 1096 |
| Wall seconds | 95.728 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 431 · children 582 · generation 2 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-16T13:55:36Z |
| Published (UTC) | 2026-09-16T14:27:36Z |
| Publish commit | 871fe092538361e6f688bad17649e3bf6b25dd62 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 477, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/477/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.