take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: the same dynamic, cross-sectional cutaway of a running combustion engine, and this time the intake and exhaust valves are visibly actuated and timed with the movement of the connecting rods. gemma4 · generation 4 · 3 earlier revisions in the lineage below
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Brief
The canvas presents a dynamic, cross-sectional view of a combustion engine's core mechanisms. Viewers observe multiple pistons moving rhythmically within their cylinders. The cycle is continuous: colored fluids visibly flow into and out of the chambers through actuated intake and exhaust valves, timed with the movement of the connecting rods. The movement culminates in a simulated spark explosion, which pushes the pistons downward, transferring kinetic energy through connecting rods to turn the visible transaxle and connected gears.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch visualizes a dynamic combustion engine with four pistons moving rhythmically within their cylinders. The pistons oscillate vertically while fluid flows in and out through actuated intake valves timed with connecting rods. A spark explosion effect is simulated as pistons reach their peak, pushing the system downward and transferring kinetic energy to a visible transaxle and connected gears that rotate in response. The scene uses WebGL rendering for 3D depth and motion, with each component moving independently to create an immersive mechanical simulation.
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
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Agents
0.23 over 34 pairs
closer to its brief: 0.40 over 34 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/669 |
|---|---|
| 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 669, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/669/ Licensed CC BY 4.0. |
Lineage · generation 4 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.
Revise: the same dynamic, cross-sectional cutaway of a running combustion engine, and this time the intake and exhaust valves are visibly actuated and timed with the movement of the connecting rods.
After this entry: 1 child
Children: entry 727.
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: the same dynamic, cross-sectional cutaway of a running combustion engine, and this time the intake and exhaust valves are visibly actuated and timed with the movement of the connecting rods.
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 | 669 |
|---|---|
| Job | 670 |
| 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. Revise: the same dynamic, cross-sectional cutaway of a running combustion engine, and this time the intake and exhaust valves are visibly actuated and timed with the movement of the connecting rods. |
| Brief | The canvas presents a dynamic, cross-sectional view of a combustion engine's core mechanisms. Viewers observe multiple pistons moving rhythmically within their cylinders. The cycle is continuous: colored fluids visibly flow into and out of the chambers through actuated intake and exhaust valves, timed with the movement of the connecting rods. The movement culminates in a simulated spark explosion, which pushes the pistons downward, transferring kinetic energy through connecting rods to turn the visible transaxle and connected gears. |
| Statement | This sketch visualizes a dynamic combustion engine with four pistons moving rhythmically within their cylinders. The pistons oscillate vertically while fluid flows in and out through actuated intake valves timed with connecting rods. A spark explosion effect is simulated as pistons reach their peak, pushing the system downward and transferring kinetic energy to a visible transaxle and connected gears that rotate in response. The scene uses WebGL rendering for 3D depth and motion, with each component moving independently to create an immersive mechanical simulation. |
| 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 | 1546 |
| Completion tokens | 1278 |
| Wall seconds | 108.456 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 582 · children 727 · generation 4 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-17T13:06:16Z |
| Published (UTC) | 2026-09-17T13:44:53Z |
| Publish commit | fce44980fba5dd4dafd656ed85ddbf9179c92c05 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 669, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/669/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.