Photo motor bell unstated

GPT-6 Sol, effort high$0.363m 9s3m 3s waiting on the model4 builds, 1 failed

Reference
iso
front
back
top
bottom
left
right

74of 100

built: 85
geometry: 91
AI judge: 1 of 7

What the AI judge checked

Fail:The overall form matches the reference: the same kind of object, the same silhouette from the matching angle, allowing for the requested change: the photograph shows only part of the bell; compare the visible part and expect the rest to repeat it six-fold
- Opus 5.5: fail: The render is a spoked can, but its spokes have lobed roots and solid flared wedge ends instead of the photo's slim spokes that fork into two curved arms.
- GPT-6 Sol: fail: The render has a spoked circular face, but its uninterrupted cylindrical wall does not match the reference’s open-sided bell.
Pass:Proportions match: the relative sizes of the major dimensions agree with the reference within what the eye can judge, allowing for the requested change: the photograph shows only part of the bell; compare the visible part and expect the rest to repeat it six-fold
- Opus 5.5: pass: The diameter-to-height ratio of the can and the relative size of the central boss and bore look roughly consistent with the specified dimensions.
- GPT-6 Sol: pass: The rendered center, spoked face, and outer rim appear to have approximately the same relative sizes as those visible in the reference.
Fail:Every major feature visible in the reference (holes, slots, bosses, tabs, lips) is present in the result, allowing for the requested change: the photograph shows only part of the bell; compare the visible part and expect the rest to repeat it six-fold
- Opus 5.5: fail: The forked thin arms and the side-wall openings seen in the photo are missing; the side views show a plain unbroken cylinder.
- GPT-6 Sol: fail: The top openings and center bore are present, but the openings continuing down the side wall are missing.
Fail:Those features sit where the reference has them, allowing for the requested change: the photograph shows only part of the bell; compare the visible part and expect the rest to repeat it six-foldAI judges disagreed
- Opus 5.5: fail: With the arms not reproduced as in the photo, the openings between the spoke ends and the rim do not sit where the reference has them.
- GPT-6 Sol: pass: The six spokes radiate from the central boss toward the rim, with curved slots near the outer edge as in the reference.
Fail:Nothing is present that the reference does not show — no decorative or unexplained geometry, allowing for the requested change: the photograph shows only part of the bell; compare the visible part and expect the rest to repeat it six-foldAI judges disagreed
- Opus 5.5: fail: The spoke roots carry circular lobes and there are separate kidney-shaped rim slots, neither of which appears in the reference.
- GPT-6 Sol: pass: The renders show no decorative or unexplained features beyond the bell geometry.
Fail:Each spoke splits into two thin arms that curve into the rim, the way the photo shows — not straight spokes and not round holesAI judges disagreed
- Opus 5.5: fail: Each spoke ends in a solid triangular flare with concave sides rather than splitting into two thin curved arms.
- GPT-6 Sol: pass: Each of the six spokes branches into curved arms around a narrow outer slot rather than ending as a straight spoke or round hole.
Fail:The arms' arcs continue down the outer wall as openings in the side of the can
- Opus 5.5: fail: All side views show a completely plain outer wall with no openings.
- GPT-6 Sol: fail: The side views show a continuous solid wall with no openings extending down from the arms’ arcs.

Measured

✓ watertight: ok
✓ one sub-part named bell: ok
✓ outer diameter is 91 mm: ok
✓ height is 28.77 mm: ok
✗ the can is hollow: predicate returned false
✓ the boss is solid around the bore: ok
✓ the bore clears 8 mm: ok
✓ the end face is mostly open: ok
✓ six spoke roots: ok
✓ six windows between the spokes: ok
✓ every spoke forks before the rim: ok

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Run hard-compact-2026-10-162026-10-16commit 6fa9f854spend $116.04 + $54.69 AI judging, 1 unpricedOther runs: 2026-11-05T06-56-21-kimi31-sonnet-hard, 2026-11-05T05-50-12-kimi31-vs-sonnet, 2026-09-23T06-56-16-hard-baseline-2026-09-23, 2026-09-10T19-44-23-baseline-2026-09, 2026-09-04T20-02-10-stage2-hard-cases, 2026-09-04T19-48-31-screen-14-fixed