a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections. gemma4 · generation 9 · 8 earlier revisions in the lineage below
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Brief
The canvas displays a solid, intricate funnel-shaped channel carved into a foundational surface. A single marble acts as the primary object of interest, demonstrating a constant, dynamic motion as it rolls down the channel. The marble's path is marked by dramatic and abrupt shifts in the initial slope's curvature. As it progresses, the marble is constantly forced to make minute, visible course corrections due to alternating intersecting ridges and troughs built into the structure. The channel geometry gradually widens and deepens toward the exit, slowing the marble's roll into a final, collecting basin.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch creates a dynamic 3D visualization of a marble rolling through a complex, funnel-shaped channel. Using WebGL rendering, it displays a spiraling path carved into a foundational surface with intricate curvature changes that force the marble to make constant micro-corrections. The channel geometry gradually widens and deepens toward the exit, slowing the marble's descent into a final collecting basin. The animation demonstrates continuous motion without user input, showing the marble's path as it navigates the intersecting ridges and troughs of the structure. The viewer experiences a sense of constant motion and spatial complexity as the camera orbits around the scene, revealing the intricate details of the channel's construction and the marble's journey through it.
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
0.44 over 33 pairs
closer to its brief: 2.59 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/461 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 1 |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 461, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/461/ Licensed CC BY 4.0. |
Lineage · generation 9 of 13 in the line from entry 127
a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
6 generations folded · 178, 179, 231, 278, 319, 349 · by gemma4 and profcarroll
Revise: the same funnel-shaped container, and this time the marble rolls along a tilted, non-vertical slope at the base.
Revise: improve the camera perspective and collision detection
Revise: the same funnel-shaped channel, and this time the marble rolls along a diagonal slope at the base
Revise: the same funnel-shaped channel, and this time the diagonal slope gradually curves inward toward the exit.
Revise: the same funnel-shaped channel, and this time the diagonal slope widens and flattens into a collecting basin at the exit.
Revise: The same funnel-shaped container, and this time the initial diagonal slope features more dramatic and visible curvature changes.
Revise: the same funnel-shaped channel, and this time the shallow basin widens and deepens significantly at the exit.
Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause.
Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections.
After this entry: 1 child
Children: entry 566.
Click a frame to run that sketch in place; one at a time. The whole line from entry 127.
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.
a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces
Revise: the same funnel-shaped container, and this time the marble rolls along a tilted, non-vertical slope at the base.
Revise: improve the camera perspective and collision detection
Revise: the same funnel-shaped channel, and this time the marble rolls along a diagonal slope at the base
Revise: the same funnel-shaped channel, and this time the diagonal slope gradually curves inward toward the exit.
Revise: the same funnel-shaped channel, and this time the diagonal slope widens and flattens into a collecting basin at the exit.
Revise: The same funnel-shaped container, and this time the initial diagonal slope features more dramatic and visible curvature changes.
Revise: the same funnel-shaped channel, and this time the shallow basin widens and deepens significantly at the exit.
Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause.
Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections.
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 | 461 |
|---|---|
| Job | 462 |
| State | published |
| Prompt | a 3D marble rolls around and down a funnel, implementing collision detection, so it rolls naturally along sufaces Revise: the same funnel-shaped container, and this time the marble rolls along a tilted, non-vertical slope at the base. Revise: improve the camera perspective and collision detection Revise: the same funnel-shaped channel, and this time the marble rolls along a diagonal slope at the base Revise: the same funnel-shaped channel, and this time the diagonal slope gradually curves inward toward the exit. Revise: the same funnel-shaped channel, and this time the diagonal slope widens and flattens into a collecting basin at the exit. Revise: The same funnel-shaped container, and this time the initial diagonal slope features more dramatic and visible curvature changes. Revise: the same funnel-shaped channel, and this time the shallow basin widens and deepens significantly at the exit. Revise: the same complex, funnel-shaped channel, and this time the initial slope features abrupt shifts in curvature and requires a momentary pause. Revise: the same complex, solid, funnel-shaped channel, and this time the structure incorporates small, alternating intersecting ridges and troughs forcing the marble into constant, minute course corrections. |
| Brief | The canvas displays a solid, intricate funnel-shaped channel carved into a foundational surface. A single marble acts as the primary object of interest, demonstrating a constant, dynamic motion as it rolls down the channel. The marble's path is marked by dramatic and abrupt shifts in the initial slope's curvature. As it progresses, the marble is constantly forced to make minute, visible course corrections due to alternating intersecting ridges and troughs built into the structure. The channel geometry gradually widens and deepens toward the exit, slowing the marble's roll into a final, collecting basin. |
| Statement | This sketch creates a dynamic 3D visualization of a marble rolling through a complex, funnel-shaped channel. Using WebGL rendering, it displays a spiraling path carved into a foundational surface with intricate curvature changes that force the marble to make constant micro-corrections. The channel geometry gradually widens and deepens toward the exit, slowing the marble's descent into a final collecting basin. The animation demonstrates continuous motion without user input, showing the marble's path as it navigates the intersecting ridges and troughs of the structure. The viewer experiences a sense of constant motion and spatial complexity as the camera orbits around the scene, revealing the intricate details of the channel's construction and the marble's journey through it. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v1 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v2 |
| Rules file | control |
| Assertions | uses(webgl), motion(idle) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass |
| Attempts | 1 |
| Prompt tokens | 1563 |
| Completion tokens | 872 |
| Wall seconds | 84.19 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 410 · children 566 · generation 9 · critique by gemma4:e4b |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-16T10:19:43Z |
| Published (UTC) | 2026-09-16T13:33:12Z |
| Publish commit | b84e7e7a95082bbc86a27440648e72d8eccf38f3 |
| Licence | CC BY 4.0 |
| Attribution | “a 3D marble rolls around and down a funnel, implementing collision de…” — sketchgen entry 461, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/461/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.