Photo knob oblique

Sonnet 5.5, effort high$0.141m 0s55s waiting on the model3 builds

Reference
iso
front
back
top
bottom
left
right

89of 100

built: 100
geometry: 79
AI judge: 7 of 7

What the AI judge checked

Pass:The overall form matches the reference: the same kind of object, the same silhouette from the matching angle
- Opus 5.5: pass: The renders show a short cylindrical knob with a smooth upper band, diamond-knurled side and a central D-bore, which matches the reference silhouette.
- GPT-6 Sol: pass: The renders show the same low, round knob silhouette with a flat top and textured side.
Pass:Proportions match: the relative sizes of the major dimensions agree with the reference within what the eye can judge
- Opus 5.5: pass: Height is about 0.45 of the diameter, and the bore is about a quarter of the diameter, which is similar to the reference.
- GPT-6 Sol: pass: The knob’s height, diameter, and central hole appear similar in relative size to the reference.
Pass:Every major feature visible in the reference (holes, slots, bosses, tabs, lips) is present in the result
- Opus 5.5: pass: The renders show the D-shaped bore, the top and bottom chamfers, the smooth upper band and the diamond knurl, all of which appear in the reference.
- GPT-6 Sol: pass: The central D-shaped hole, diamond knurl, and rim chamfers visible in the reference are present.
Pass:Those features sit where the reference has them
- Opus 5.5: pass: The bore is centred in the top face and the knurl runs below a plain upper band, as in the photo.
- GPT-6 Sol: pass: The hole is centred on the top face, while the knurl covers the side below the upper rim.
Pass:Nothing is present that the reference does not show — no decorative or unexplained geometry
- Opus 5.5: pass: No extra geometry beyond the reference features is visible.
- GPT-6 Sol: pass: The renders show no additional bosses, cuts, or decoration beyond the knob’s visible features.
Pass:A diamond knurl around the side — crossing grooves, not smooth and not straight ridges
- Opus 5.5: pass: The side views show crossing diagonal grooves that form diamonds.
- GPT-6 Sol: pass: Crossing diagonal grooves form a diamond pattern around the side.
Pass:A flat top face with a single hole in its centre and nothing else cut into it
- Opus 5.5: pass: The top view shows a flat face with only the single central D-shaped hole.
- GPT-6 Sol: pass: The flat top face has one central hole and no other visible cuts.

Measured

✓ watertight: ok
✓ one sub-part named knob: ok
✓ diameter is 38.13 mm: ok
✗ height is 12 mm ± 10 %: predicate returned false
✓ the bore clears 9.5 mm to 10.64 mm deep: ok
✓ the bore is not oversize: ok
✓ the D flat is where the prompt put it: ok
✓ the flat is not cut too deep: ok
✓ the bore is blind: ok
✗ chamfered at the top rim: predicate returned false
✗ chamfered at the bottom rim: predicate returned false
✓ the side is full at mid-height: ok
✓ the top face is flat out to 34.7 mm: ok
✓ silhouette matches the photo: ok

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This is an older run. See the current results.

Run kimi31-sonnet-hard2026-11-05commit 58201d93spend $50.99 + $14.79 AI judgingOther runs: 2026-11-05T05-50-12-kimi31-vs-sonnet, 2026-10-16T18-49-10-hard-compact-2026-10-16, 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