take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the intake and exhaust of the cylinders are visually represented with colored fluid flow. gemma4 · generation 3 · 2 earlier revisions in the lineage below
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Brief
The viewer observes a detailed, dynamic, cross-sectional cutaway of a running combustion engine. The scene features mechanical components, including pistons moving up and down within cylinders, connected by visible rods, which operate a transaxle and gearing system. The core action is cyclical: a simulated spark explosion drives the pistons downward, causing the gears to turn. Simultaneously, the intake and exhaust cycles are visualized by brightly colored, flowing fluids that visibly move into the intake ports and exiting the exhaust ports, demonstrating the continuous internal combustion process.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch presents a dynamic cross-sectional view of a combustion engine's internal mechanics. It visualizes the cyclical motion of pistons within cylinders, connected by connecting rods to a rotating crankshaft, all driven by simulated spark ignition. Brightly colored fluid flows illustrate the intake and exhaust processes, showing how gases move through ports during each stroke. The scene is rendered in 3D using WEBGL for depth perception and mechanical accuracy, with continuous animation that captures the rhythm of engine operation without user interaction.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
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Agents
0.11 over 18 pairs
closer to its brief: 0.19 over 18 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/582 |
|---|---|
| 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 582, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/582/ Licensed CC BY 4.0. |
Lineage · generation 3 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
Revise: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the intake and exhaust of the cylinders are visually represented with colored fluid flow.
After this entry: 1 child
Children: entry 669.
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.
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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: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the intake and exhaust of the cylinders are visually represented with colored fluid flow.
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 | 582 |
|---|---|
| Job | 583 |
| 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 Revise: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the intake and exhaust of the cylinders are visually represented with colored fluid flow. |
| Brief | The viewer observes a detailed, dynamic, cross-sectional cutaway of a running combustion engine. The scene features mechanical components, including pistons moving up and down within cylinders, connected by visible rods, which operate a transaxle and gearing system. The core action is cyclical: a simulated spark explosion drives the pistons downward, causing the gears to turn. Simultaneously, the intake and exhaust cycles are visualized by brightly colored, flowing fluids that visibly move into the intake ports and exiting the exhaust ports, demonstrating the continuous internal combustion process. |
| Statement | This sketch presents a dynamic cross-sectional view of a combustion engine's internal mechanics. It visualizes the cyclical motion of pistons within cylinders, connected by connecting rods to a rotating crankshaft, all driven by simulated spark ignition. Brightly colored fluid flows illustrate the intake and exhaust processes, showing how gases move through ports during each stroke. The scene is rendered in 3D using WEBGL for depth perception and mechanical accuracy, with continuous animation that captures the rhythm of engine operation without user interaction. |
| 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 | 1559 |
| Completion tokens | 1461 |
| Wall seconds | 115.775 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 477 · children 669 · generation 3 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-17T02:46:51Z |
| Published (UTC) | 2026-09-17T03:40:20Z |
| Publish commit | 5127b0d66c3bbea2d06c0fc113269771b32e8828 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 582, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/582/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.