take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: the same dynamic, cross-sectional cutaway view of a running internal combustion engine, and this time the rapid, expanding combustion gases inside the cylinder are visually demonstrated, pushing the piston downward. gemma4 · generation 11 · 10 earlier revisions in the lineage below
You scanned this from a projection. Judge it against another · Like it · Ask for a revision · Swipe on from here.
— views · — likes
Brief
The view is a dynamic, cutaway cross-section showing the inner workings of a running internal combustion engine. The viewer observes pistons cycling within cylinders. The core action begins as expanding, colored combustion gases fill the chamber, generating pressure that visibly pushes the piston downward. This linear motion is transferred through the connecting rods, which articulate at their bearings, causing a powerful rotational movement in the crankshaft. The entire mechanism operates in continuous, cyclical motion, demonstrating the fundamental energy conversion from gas pressure to mechanical rotation.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch presents a cutaway view of an internal combustion engine in motion, illustrating the conversion of gas pressure into mechanical rotation. The viewer observes a piston moving up and down within a cylinder, with combustion gases visibly expanding to push the piston downward. This linear motion is transferred through a connecting rod to a rotating crankshaft, demonstrating the fundamental energy conversion process. The animation uses WebGL rendering to create a 3D cross-sectional representation, showing the interplay between mechanical components in real-time motion.
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
0.12 over 36 pairs
closer to its brief: 0.71 over 36 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/1059 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 2 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 1059, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/1059/ Licensed CC BY 4.0. |
Lineage · generation 11 of 16 in the line from entry 422
take the viewer inside a combustion engine demonstrating pistons and gearing
8 generations folded · 431, 477, 582, 669, 727, 795, 846, 900 · by profcarroll and gemma4
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: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the connecting rods visibly rotating a crankshaft.
Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the connecting rods visibly articulating at their bearing points on the crankshaft.
Revise: the same dynamic, three-dimensional cross-section of a running combustion engine, and this time the articulation points where the connecting rods bear on the crankshaft are clearly visible.
Revise: the same dynamic, cross-sectional cutaway view of a running combustion engine, and this time the intake and exhaust are represented by clearly visible, timed colored fluid flows.
Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the visible timing gear train linking the crankshaft and the valves is demonstrated.
Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the individual components of the valve train are clearly separated and visible.
Revise: the same dynamic, cross-sectional cutaway view of a running internal combustion engine, and this time the rapid, expanding combustion gases inside the cylinder are visually demonstrated, pushing the piston downward.
After this entry: 1 child
Children: entry 1124.
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: 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: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the connecting rods visibly rotating a crankshaft.
Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the connecting rods visibly articulating at their bearing points on the crankshaft.
Revise: the same dynamic, three-dimensional cross-section of a running combustion engine, and this time the articulation points where the connecting rods bear on the crankshaft are clearly visible.
Revise: the same dynamic, cross-sectional cutaway view of a running combustion engine, and this time the intake and exhaust are represented by clearly visible, timed colored fluid flows.
Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the visible timing gear train linking the crankshaft and the valves is demonstrated.
Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the individual components of the valve train are clearly separated and visible.
Revise: the same dynamic, cross-sectional cutaway view of a running internal combustion engine, and this time the rapid, expanding combustion gases inside the cylinder are visually demonstrated, pushing the piston downward.
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 | 1059 |
|---|---|
| Job | 1062 |
| 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. Revise: the same dynamic, cross-sectional view of a combustion engine's core mechanisms, and this time the connecting rods visibly rotating a crankshaft. Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the connecting rods visibly articulating at their bearing points on the crankshaft. Revise: the same dynamic, three-dimensional cross-section of a running combustion engine, and this time the articulation points where the connecting rods bear on the crankshaft are clearly visible. Revise: the same dynamic, cross-sectional cutaway view of a running combustion engine, and this time the intake and exhaust are represented by clearly visible, timed colored fluid flows. Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the visible timing gear train linking the crankshaft and the valves is demonstrated. Revise: the same dynamic, cutaway cross-section of a running combustion engine, and this time the individual components of the valve train are clearly separated and visible. Revise: the same dynamic, cross-sectional cutaway view of a running internal combustion engine, and this time the rapid, expanding combustion gases inside the cylinder are visually demonstrated, pushing the piston downward. |
| Brief | The view is a dynamic, cutaway cross-section showing the inner workings of a running internal combustion engine. The viewer observes pistons cycling within cylinders. The core action begins as expanding, colored combustion gases fill the chamber, generating pressure that visibly pushes the piston downward. This linear motion is transferred through the connecting rods, which articulate at their bearings, causing a powerful rotational movement in the crankshaft. The entire mechanism operates in continuous, cyclical motion, demonstrating the fundamental energy conversion from gas pressure to mechanical rotation. |
| Statement | This sketch presents a cutaway view of an internal combustion engine in motion, illustrating the conversion of gas pressure into mechanical rotation. The viewer observes a piston moving up and down within a cylinder, with combustion gases visibly expanding to push the piston downward. This linear motion is transferred through a connecting rod to a rotating crankshaft, demonstrating the fundamental energy conversion process. The animation uses WebGL rendering to create a 3D cross-sectional representation, showing the interplay between mechanical components in real-time motion. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v1 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v3 |
| Rules file | control |
| Assertions | motion(idle), uses(webgl) |
| Gate | attempt 1: gate exit 1 — motion(idle) fail, uses(webgl) pass attempt 2: gate exit 0 — motion(idle) pass, uses(webgl) pass |
| Attempts | 2 |
| Prompt tokens | 3890 |
| Completion tokens | 1445 |
| Wall seconds | 133.449 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 998 · children 1124 · generation 11 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1, attempt-2 |
| Created (UTC) | 2026-09-20T01:01:24Z |
| Published (UTC) | 2026-09-20T01:53:38Z |
| Publish commit | 0c47118c50676871d3fae1c64035daf9f5a81146 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 1059, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/1059/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.